Björn Ragnarsson or Bjorn Ironside is the King of Kattegat. He is the son of Ragnar and Lagertha and the oldest of Ragnar’s many sons. Although later it is revealed his uncle Rollo might be his biological father, Björn believes he is Ragnar's son. He is the husband of Gunnhild (Heathen Army), was the third ex-husband of Torvi and father of Torvi's only living child: Asa. Bjorn is Ragnar's heir to Kattegat. Intelligent and determined, Bjorn loves and admires his father above all men. Following in Ragnar’s footsteps, Bjorn desires to test himself as a fighter as well as an explorer. After fighting in battle without receiving one wound or scratch, he garnered the famous nickname “Bjorn Ironside.” As of the end of season 5 with the help of King Harald Finehair, King Olaf and his younger half-brother Hvitserk Bjorn overthrows his evil younger half-brother Ivar and becomes King of Kattegat.

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Biography

Season 1

Upon turning 12 and coming of age in Viking society, Björn received his arm ring from the then reigning Earl Haraldson. Björn had yearned to be a warrior like his father, desperate for recognition as a man and to fight in the raids with his father, but his youth and inexperience hold him back. Björn is a loyal and dutiful son to both parents and showed no fear when he broke up a physical fight between his parents in Wrath of the Northmen.

Though obedient to his parents, Björn resented being put under the supervision of the young Northumbrian monk Athelstan who was captured as a slave from Lindisfarne.

Brought along by Ragnar on his trip to Gotaland for King Horik, Björn was witness to the beginning of his father's relationship with Aslaug. Disgusted, Björn confronted his father about his infidelity, making him swear that it will never happen again. While Ragnar did promise this and tried to keep it, Aslaug had already become pregnant with a son.

Season 2

Upon their return to Kattegat, Björn told Lagertha of Aslaug and his father's infidelity, though he did not say much out of loyalty to Ragnar. When Lagertha decided to leave Ragnar, Björn was torn. Though he initially decided to stay with Ragnar, through Torstein's urging, Björn eventually decided to go with his mother. Ragnar let them, telling Björn to look after his mother.

Even years after their departure, Ragnar continued to think of them. When he met with the Seer, the oracle told him that he had foreseen that his sons would become famous, possibly even more than him. His son, the Seer said, would marry the daughter of a king, or would sail across a sea without tides. Ragnar asked about Björn, whether he still lived, and whether he would ever see him again. The Seer told him that it was Björn about whom he had prophesied.

Meanwhile, under the thumb of his oppressive new stepfather, the 18-year-old Björn hoped to live alone in the mountains to test his strength and skills. His stepfather, Lagertha's new husband Earl Sigvard, who often sought to shame and humiliate him in front of his subjects, refused. Around this time, Björn discovered that Sigvard had been hitting Lagertha, much to his anger. Björn told his mother that if Sigvard continued to hurt her, Björn would kill him.

When Björn heard of the capture of Kattegat by Jarl Borg, he tried to get Lagertha to persuade Sigvard to assist Ragnar. Sigvard refused, spitefully, but Lagertha marshals a force anyway and rides to assist Ragnar. Locating Ragnar, Lagertha and Björn are a welcome sight. Ragnar particularly marvels at how tall and powerful Björn has grown. Rollo also mentions that Bjorn still can't grow a beard.

After his performance in battle against the West Saxons in The Choice, Björn is given the epithet 'Ironside' by Ragnar.

On his return to Kattegat from England, Björn formed a relationship with a former slave-girl, Þórunn, who was freed by Aslaug because she realized Björn loved her.

Season 3

Björn was surprised when Þórunn told him that she was pregnant. After the battle of Mercia in The Wanderer He asked Þórunn to marry him and she said yes. He looked after her when her face was badly scarred in battle. Later, she gave birth to their child: a daughter they named Siggy. Björn sleeps with Torvi, Erlendur's wife, when Þorunn rejects his attempts to have sex with her and tells him to find someone else to be with, due to her feeling self conscious about her nasty scar. Bjorn strikes up a conversation with Torvi, who looks quite smitten by Bjorn and gives her a drink and asking that her husband is coming to Paris when Torvi says she is coming as well, Bjorn notes that she has courage. Bjorn later leaves the party and sits out on the beach depressed when Torvi goes to join him. Although he initially refused, right before he has sex with Torvi, he tells her that he loves his wife right before they have passionate sex on the beach. He later finds Torvi and apologizes for taking advantage of her, and hands her a bracelet as a gift. She tells him that she's neither with child or a child herself, and apologizes too for taking advantage of him. It also becomes apparent that Torvi and Bjorn are starting to fall in love with each other, much to Erlendur's fury.

Ragnar finds Björn unconscious towards the end of the vikings' failed attempt to get into the city of Paris, with two crossbow bolts stuck in his back. Björn wakes later that night, and while still hurt, he tells his father that he should have never called him "Ironside", doubtful that the gods are protecting him. His father rebuts and questions, "You're alive, aren't you?" to which Björn says nothing. Later, while still healing, Björn is up and walking but holds his arm obviously still in pain. In the season 3 finale, Ragnar trusts only Björn with something secret, which later is shown to be that Ragnar is still alive as when he exits Paris, Björn catches and holds him. He later defends himself and tells his mother, Rollo and Floki he only did what his father asked of him.

Season 4

After returning to Kattegat with the rest of the raiding party he takes the treasure from the raid and shows it to his family and Queen Aslaug; his younger half-brother Ubbe shows interest in a map of Europe that Björn had taken, believing it to be more valuable than gold. He then publicly denounces Floki as a murderer and has him arrested. Ragnar disapproves of this decision, remarking that Björn is still acting impulsive. Aslaug brings Bjorn's young daughter, Siggy, to him, but he barely acknowledges her. Later he leaves for the wilderness, in order to prove to himself and his father that he can survive on his own.

Björn manages to make the trek through the snowy mountains until he finds an abandoned cabin, where he takes shelter. He sustains himself mainly by setting traps and ice-fishing. A bear repeatedly escapes his traps, and Björn decides to track it down. He eventually encounters it and manages to kill it with an ax and dagger. Despite his speed and agility, Björn is slashed across the upper chest by the bear's claws. He cauterizes the injury to prevent infection. In tribute to his achievement, Björn tattoos his arms and makes a cloak from the bear's hide.

When Kalf and Erlendur learn that Björn is isolated in the mountains, they dispatch a "Berserker" to assassinate him. Although superficially wounded in the encounter, Björn outwits and subdues his opponent by whipping a handful of fishing leaders bearing heavy fish hooks into his face. He tortures his captive, asking who sent him, but the man refuses to talk, so Björn disembowels him. Björn then goes to visit his mother in Hedeby. Kalf and Erlendur are visibly disappointed that their assassin failed. Björn claims he came to take Torvi away with him, and does so, though Erlendur forces her to leave her son behind. When Björn returns to Kattegat, he is suspicious of the newcomer "King Finehair".

Conversing with his father as they prepare for the second raid on Paris, Björn is rebuked for ignoring his daughter and for separating Torvi from her child. Björn retorts that Ragnar tried to separate him from his mother as a child, but Ragnar replies that Lagertha left him and Björn chose to go with her, though he acknowledges that he had been a bad husband and that Björn should not repeat his mistakes. When Björn is looking over his map of Europe later, Torvi comes to visit him and notices a ring that he had taken from the Berserker. As they start to make love, Torvi remarks that the ring was passed to Erlendur from his father King Horik, revealing to Björn that Erlendur ordered the assassination attempt.

Later, as the Vikings are settling into France in order to come up with a plan for their battle strategy, Björn approaches Erlendur asking about the ring and whether he knows about it. Erlendur replies that he knows nothing of the ring which is relayed in turn to Torvi who says he is lying for she knows it is his father King Horik's ring. When the Vikings travel upriver towards Paris, led by Rollo, the ships are shot at from the forts by Frankish soldiers. When the Franks lower the chain between the two forts, several ships are capsized and sunk. Björn helps many warriors out of the water, including Harald. When returning to their camp, to find it had been attacked, Björn reunites with Torvi and his brothers. After everyone is recovering, Björn tells Torvi that it was all Ragnar's fault. Björn helps Ragnar execute his plan to take the boats across the mountains.

As the days bleed into each other, the Vikings haul their ships across the mountain top. Björn and Torvi are closer then ever. When Lagertha loses her baby, both Björn and Ragnar comfort her. One night as he and Torvi are laying in their bed in the Viking camp Björn confesses his love for Torvi after making love, but unbeknownst to Björn, Torvi sees Erlendur hidden in the dark, aiming his crossbow at Björn. Torvi then changes sides with Björn, putting her body in front of Björn. The next day, Erlendur tries to force Torvi to assassinate Björn, promising to kill Guthrum if she doesn't obey him but Torvi kills Erlendur instead. Bjorn particiaptes in the second battle against the Franks with Bjorn slaying several Franks but the Vikings are eventually overwhelmed with Lagetha, Halfdan and Floki seriously injured and the Vikings are forced to retreat, Bjorn grabs his mother and jumps onto a retreating boat and a bloodied Bjorn is last seen resting in the ship.

Ten years later, Ragnar has disappeared, Björn has married Torvi and had a family with her. Torvi has given birth to one son and one daughter - Hali and Asa. Bjorn has also become a father figure for Torvi's eldest son Guthrum. Bjorn is informed from another Viking that the Wessex settlement was destroyed as soon as they had left Wessex, Ragnar had never told anyone except Floki and kept it a secret. Bjorn relays this nformation to his now grown up half brothers: Ubbe, Hvitserk, Sigard and Ivar. When Sigard says that Ragnar should have told the people Bjorn says that maybe if he had told them they might have killed him. Hvitserk and Sigard are angry at Ragnar for abandoning them when they were kids but Ivar defends Ragnar saying that he choose to invade Paris and become famous rather than avenge a few average viking farmers. Bjorn says that the combination of the Viking defeat and Rollo's betrayal finally broke Ragnar. People talked about Ragnar like he was a god but he wasn't a god he was a man, a man with many dreams and failings. Despite Ragnar abandoning them he is still the greatest man in the world to him. Ragnar returns to Kattegat after a long absence and offers Bjorn and his brothers to go to England with him but Bjorn declines saying he want's to explore the Mediteranean instead. Once Floki's ships are ready Bjorn travels to Frankia where they try to bargain with his uncle Rollo, who is the Duke Normandy to let them past his coastline so they can travel to the Mediterranean without any trouble. Bjorn is introduced to his cousins William, Marcellus and Celsa. However they are imprisoned, But Rollo agrees to let them through as long as he accompanies them. They reluctantly let Rollo come due to his betrayal years earlier but not before knee hauling him for his betrayal.

Hvitserk, Bjorn, Harald, Halfdan, Floki and Rollo then sail down the Mediterranean and arrive at a town which would be later known as Spain and slaughter any resistance and steal any treasure they could get their hands on. While staring out at the ocean on a cliff Odin himself approaches Hvitserk and Bjorn and tells them their father is dead. Hvitserk and Bjorn return to Kattegat, but not before dropping Rollo back at Frankia. Ubbe and Ivar try to kill Lagatha again but are stopped by Bjorn, who says they will have to kill as well as Lagatha, Ivar suggests that maybe they should, Ubbe tells him angrily to shut up. Ubbe tells Bjorn that Lagatha killed his mother, Bjorn says he knows and that he knows that he wants revenge and he would want the same thing if he was in same circumstances. He takes Astrid as a lover as revenge against his mother for having taken the power to Kattegat. Bjorn forms the Great Heathen Army with his brothers to avenge Ragnar, before leaving he says goodbye to his mother Lagatha and Astrid and Torvi and tells them both to look after his mother. He avenges his father by easily defeating the forces of Northumbria and killing King Alle with a blood eagle ceremony. The Great Heathen Army then faces the force of Wessex, confusing and outmaneuvering the forces and causing them to retreat. They capture King Ecbert and High Pope. Ivar demands a blood eagle for King Ecbert but Ubbe and his brother convince Ivar otherwise. Ecbert, unbeknownst to Björn, had passed his kingship onto his son, Æthelwulf. Still pretending to be king, Ecbert granted Björn farming lands, telling him since he was king of kings he could do so. He tricked Björn since the real king was his son and is the only one who can grant land. Ecbert committed suicide in his bath. At the end of Season Four, he wants to keep exploring the Mediterranean Sea and Halfdan volunteered to go with him. Bjorn then witnesses Ivar kill Sigurd by throwing an axe into his stomach and is horrified when Sigurd dies.

Season 5

When Bjorn and Halfdan sail back to the Mediterranean Sea, Sinric advises Bjorn to arrive as a trader, with a few ships, and not as a warrior in command of an entire fleet. Bjorn reaches Sicily, and agrees to act as bodyguard to its commander Euphemius. However, Sinric discovers that Euphemius is merely a client of the Arab Emir Ziyadat Allah, and Bjorn asks to visit him. Euphemius refuses but is persuaded to agree by Kassia, a famous nun, and they set sail for Kairouan in Africa. In Africa, Bjorn travels by caravan across the desert to meet Emir Ziyadat Allah, who welcomes him and offers to trade. Euphemius disappears, and at a banquet, the Emir explains that he had defected to support the Emperor and has now been captured and executed. The Vikings realise that Euphemius is the meal they are eating and that Kassia is more powerful than she seems. Bjorn, Halfdan and Sinric are arrested and are about to be executed as a sandstorm approaches. Bjorn, Halfdan, and Sinric manage to escape under cover of the sandstorm, traverse the desert by camel, and ultimately reach the Mediterranean and sail back to Kattegat.

Bjorn and Halfdan return to Kattegat, he meets his new ally King Svase of the Sami. Bjorn and Torvi end their marriage, but Bjorn promises Torvi that he will always look after her and Erik, Refil, Hail and Asa. He then proposes to marry Snæfrid. Bjorn and his allies discuss how to respond to Ivar's attack, Bjorn assumes that Ivar will attack from the land, and his allies agree with him assuming, that Ivar will not attack the town from the sea. The armies of Lagertha, Bjorn and Ubbe, and of Harald, Ivar and Hvitserk, meet above Kattegat. Lagertha proposes peace talks, but Harald, then Ivar, reject a settlement. Before battle, Ivar takes Astrid and a third of their army towards shore, to protect their fleet. Hvitserk and his group try to flank, but are ambushed in the forest by the Sami. Battle begins, and Bjorn and Lagertha gain the upper hand, as Harald's forces are outflanked.

After the battle Bjorn seeks peace with Ivar and Harald, but is rejected as Ivar says he has to avenge his mothers death by killing Lagetha; Ivar moves to have him killed but is stopped by Harald. The army of Lagertha faces those of Ivar and Harald for a second time but this time with the help of Frankish warriors supplied by Rollo. Bjorn's traitorous Uncle. As Ivar orders the Frankish reserves onto the field, Lagertha and Bjorn retreat. As Bjorn prepares to leave Kattegat, he finds Lagertha broken with her hair turned white.

After fleeing Kattegat in a hurry Bjorn, Ubbe, Lagetha, Torvi and their children flee to the same hut he had sought shelter in decades earlier. Rollo finds them and urges Lagertha and Bjorn to return with him to Frankia, revealing himself as Bjorn's possible father. Bjorn rejects both Rollo's offer and Rollo as his father. Bjorn tries to kill Rollo but is stopped by Ubbe and Lagetha. Ivar finds the hut, but Lagertha and her followers have already left, leaving a crazed Margrethe behind. They steal a boat and sail for England. At Heahmund's suggestion, Lagertha, Bjorn and Ubbe are to be allowed to settle in East Anglia in return for fighting against other viking incursions. Bjorn has a brief fling with Princess Elsewith of Northumbria and possibly impregnated her with his child.

Bjorn is approached by and bonds with Magnus, who seeks vengeance against Alfred. Magnus suggests to Bjorn, Ubbe and Lagertha that they should join Harald. Ubbe and Lagertha do not believe Magnus' claim about being Ragnar's son. Bjorn fights with the English against the forces of King Harald along with Ubbe, Lagetha and Torvi and they drive back Harald's forces. Bjorn is cut across the eyes in the battle leaving a scar and takes Gunnhild, Earl Olavsonn's wife, who was killed in battle captive, in the chaos Lagertha vanishes. Bjorn ask Gunnhild about His Mother's Whereabouts, but she cannot help him and in turn makes her into a free woman and she hits him to test her freedom. Meanwhile and Alfred grants the Norsemen the Kingdom of East Anglia; Bjorn and Gunnhild could not enter the church due to their beliefs and go to a cabin, where she consorts him and they kiss passionately, unhappy about Ubbe and Torvi's conversion to Christianity. Bjorn realizes he doesn't belong in England and wants to take Kattegat back from Ivar and decides to make an alliance with King Harald. Bjorn bids farwell to Ubbe and Torvi, aplogising for to Torvi for abandoning her and grateful he has four beutiful children with her. In York Bjorn is welcomed by Harald and Magnus, but when Harald realizes Bjorn and Gunnhild are in a relationship he is unhappy.

In York, Harald makes the same deal with Bjorn that he had with Ivar: when Bjorn dies, Kattegat will be Harald's. Bjorn tells Gunnhild that he thinks he has never been in love (Despite the fact that he has professed his love to both Thorunn and Torvi) and he is afraid to ask her if she loves him, Gunnhild tells him that she respects him more for saying that and that she keeps his words in his heart, Bjorn tells her that he loves her and they go to bed. Bjorn then marries Gunnhild, much to Harald's jealousy. Bjorn, King Harald and their army sail through a storm to reach Norway. Harald is frustrated by Bjorn's behaviour and a deadly confrontation breaks out between the two which is soon prevented by Gunnhild. The two shake it off and bump wrists. While marching toward Kattegat with King Olaf and his army, Bjorn is reunited with Hvitserk and they align to take back Kattegat from Ivar. The combined armies attack the walls of Kattegat from two directions. However, the defences are too strong and they are forced back. Bjorn appeals to the citizens of Kattegat and says that Ivar is their enemy. Ivar fires an arrow at Bjorn to silence and kill him but Bjorn stops the arrow with a shield before walking off to join the others who retreated. Bjorn tells Gunnhild that he thinks about Kattegat, about Ragnar and his mistakes as a father, that she is an extraordinary woman, Gunnhild reveals that she wants to have a child and they have sex passionately and romantically. Ivar's wife Freydis sneaks out to the attackers' camp. She exposes Ivar's murder of Baldur and Thora and the hidden door to Bjorn, Hvitserk, Harald and Olaf. A second assault begins in the morning Bjorn shouts to the people of Kattegat that he does not want to kill them, only Ivar telling his warriors to stop fighting to stop the bloodshed. Most of the defenders give little to no resistance, leaving Ivar's housecarls outnumbered and defeated. Harald is seriously wounded while saving Bjorn's life during the skirmish with the housecarls but they cut down Ivar's housecarls and are victorious. When Bjorn and Hvitserk enter the hall, Ivar has vanished. Bjorn is declared King by Olaf where Bjorn is reunited soon after with his believed to be dead mother Lagertha much to Bjorn's joy and his brother Ubbe, who was seriously injured in a battle with the Danes. Lagertha gives Bjorn the sword of Kings hailing him King Bjorn, King of Kattegat. Bjorn had a vision of his father about power and the Seer who tells him that the war is not over.

Season 6

Bjorn is first seen adjusting to his new life as King of Kattegat, He punishes the prisoners from his previous war with Ivar, by banishing them from Kattegat. He then establishes a project that will make Kattegat one of the wealthiest cities in Scandinavia by establishing trade agreements with several Norse countries. He would later be informed that King Harald survived his wounds during the Siege of Kattegat and now remains a prisoner in his own kingdom by King Olaf. Bjorn assembles a strike force to rescue Harald, but he loses many men in the ensuing struggle because of a trap that Olaf had set in the water, and is forced to retreat. Olaf soon reveals that he will hold an election of who will be the first King of Norway. Various Norwegian Earls, Princes and Kings were assembled to attend the election. At the beginning of the Election for the King of Norway, things were going well in Bjorn's favour, but then suddenly, many other nobles began to elect King Harald instead, much to the chagrin of Bjorn. Harald eventually won the election and became Norway's first king. Kjetill Flatnose soon revealed to Bjorn that Harald had meant to kill him. Bjorn barely escaped. He arrived back to his kingdom only to witness Lagertha's funeral, who's death he sensed during the journey. After giving a heartfelt eulogy, Bjorn vowed to avenge his mother's death. He eventually discovered that his younger brother Hvitserk murdered Lagertha and ordered him to be arrested. Hvitserk was then brought into Bjorn's court to answer for his crimes. Bjorn in a fit of rage, beaten Hvitserk and then sent him away to be chained up. Bjorn then eventually ordered Hvitserk to be burned at the stake.

During the execution, Hvitserk began to accept his fate gladly. In disapproval, Bjorn then gave Ubbe permission to save his brother's life. Bjorn then exiled Hvitserk in a fit of rage. He then informed his people that King Harald will most likely send his army to attack Kattegat since Bjorn is posed as a threat to him and his complete dominion of the whole country. His wife Gunnhild then rallies the people of Kattegat to make a stand with Bjorn against King Harald. Bjorn then sent his captain and friend, Erik (Thorvaldsson) to scout for any of King Harald's forces who are preparing to attack. Instead, Erik finds a group of foreigners and after an intense fight, goes back to Kattegat with the remainder of his forces to report this foreign enemy to Bjorn. It did not take long for Bjorn to realize that this new foreign enemy is the Rus led by Prince Oleg, and they intend to invade all of Scandinavia. Bjorn then sent Erik on another mission to inform King Harald of this great threat. Harald then imprisoned Erik, since Erik was banished from Harald's kingdom years before. Either way, Harald intended to execute Erik then changed his mind and began to call Erik into his court. Erik revealed to Harald that the Rus are coming and are planning to invade. Harald then sends Erik to Kattegat under the condition that Bjorn sends himself and his forces to Harald's aid. Bjorn eventually accepts Harald's proposal and comes to prepare for the coming invasion. King Harald summoned all his vassals to come to the aid of the defence against this invasion. Only a few of Harald's vassals answered the call. Bjorn was concerned about this and then sent Erik on another mission to call more nobles to aid in the defence in his own name instead of Harald's. Despite these efforts, it was eventually becoming clear to Bjorn that no one will come. Bjorn and Harald finished preparing the defences and were now ready to fight. The Rus eventually came and stormed the beaches. The battle slowly began to turn in the Rus' favour due to them heavily outnumbering the Vikings. Harald fought valiantly but was soon overwhelmed and heavily wounded by the Rus soldiers. Despite a fierce resistance the Vikings were eventually defeated and were forced to retreat, Bjorn stayed on to fight on with a small contingent of Norse Viking Warriors until he was stabbed by Ivar himself in the ensuing fight. It is currently unknown if Bjorn survived or died from this encounter.

Personality

Björn was raised with the typical Northman conduct. He values his family and is devoted to both of his parents. Björn, since he was young, yearned to become a warrior like his parents; now old enough, Björn is more than ready to prove himself in battle. He shows extreme loyalty to his father even after years of separation. After returning from France he rallies the people to Ragnar's side and reminds them of where all their wealth and success has come from.

Björn has Ragnar's lust for glory and fame, but also his father curiosity for other cultures. He did not shun Athelstan, and remained loyal to his father even after his baptism. He is restless like his uncle and also being young is very impatient. Often he chafes under his father's rule not seeing his decisions for the long plays that they are. Like most young vikings he sees only what is in front of him and often makes quick decisions. He seeks glory and fame like his father through battle, but does not always understand the patience necessary to realize those dreams. Björn wishes to raid and is shown to express his emotions far more then Ragnar does leading to outbursts at his fathers seemingly strange decisions. He is also a bit vain about his appearance, taking great pride in his battle scars, his bearskin cloak and his tattoos - his tattoos and hairstyle are clearly modelled after the ones Ragnar had in his younger years.

Bjorn and Ragnar, whilst devoted to each other as father and son, often have disputes due to Bjorn's impulsive nature. Ragnar was displeased with Bjorn, after his arrest of Floki for the murder of Athelstan. Ragnar's plan was to confront Floki alone and in confidence, and not in a public setting. He deemed the murder an act of an errant friend, and disliked his hand being forced by Bjorn. Ragnar thought that the Bjorn's decision to go to the mountains was foolhardy, though Bjorn was pleased to prove him wrong when returning to Kattegat. Moreover, Ragnar advised Bjorn to note his surroundings better, as carnal desires and concerns can detract from learning the political "game".

Björn is as skilled a warrior although inexperienced, strong enough to match his uncle Rollo in a drunken brawl and fast enough to go through a battle and never be struck. A testament of his prowess came during his time alone in the wilderness in Season 4. Surviving for several months in the icy mountains of Scandinavia, he managed to track down and kill a bear with only a hatchet and knife; he received only a minor injury to the chest. He also managed to outwit and overpower a supposedly-invincible "Berserker" who was sent to assassinate him.

Physically, he is even more formidable than his father, as while both of them were severely wounded during the siege of Paris Björn recovered quickly, while Ragnar remained weakened by his injuries in Season Four. He has also displayed good leadership qualities, as he lead men during the raid on Paris, assisted in strategics with his father and mother, and assisted in his father's plot to fake his own death.

Björn has a somewhat different personal code than most other vikings. He refuses to rape women in raids, or slaves. After Þorunn is injured in battle, she goes into a deep depression, refusing to let most look at her. Björn helps nurse her back to health, but she refuses to have sex with him. Eventually Þorunn gives him permission to sleep with Torvi, since she is still too self-conscious. When Björn and Torvi begin to have sex and he occasionally gives her gifts. His youth and inexperience with women often shows as he is unable to understands his wives' choices or actions.

Appearances

Trivia

Due to Lagertha originating from the Gesta Danorum instead of the Saga of Ragnar Lodbrok, Bjorn was the son of Ragnar and Aslaug not Ragnar and Lagertha.

Being the eldest son of both Ragnar and Lagetha, he is probably their successor as king.

As a young adult in Season 2, Björn's status in Norse society appears to be that of a Drengr , who is a young man of fighting age, particularly from a middle to upper-class background. If he was granted land by his father, an earl, Björn could become a Thegn and be able to lead men into battle.

, who is a young man of fighting age, particularly from a middle to upper-class background. If he was granted land by his father, an earl, Björn could become a Thegn and be able to lead men into battle. As both his father and mother became the respective earls of Kattegatt and Hedeby as of the episode Blood Eagle, Björn could potentially inherit a strong powerbase for his future rise in Norse society.

As of the Season 2 finale, and with the deposition of King Horik and his family from power, Björn along with his half-brothers, now hold the status of Budlungr or 'prince' in Norse society, now that his father is King of Denmark.

or 'prince' in Norse society, now that his father is King of Denmark. The saga Tale of Ragnar's Sons states that Björn would come to rule over most of Sweden, including the centre of the Æsir religion in Gamla Uppsala, after the death of his father.

states that Björn would come to rule over most of Sweden, including the centre of the Æsir religion in Gamla Uppsala, after the death of his father. In Norse society, you were not supposed to say the actual word for bear out of fear of summoning the creature, hence the word "björn" (bear) was used instead and eventually became the widely used word and the old name was forgotten. Likewise, ulf or ulfr, the Norse word for wolf was avoided and the word "vargr" was used instead. "Vargr" means outlaw.

Ragnar's converted dead entrance in Paris was actually made by Bjorn years after his death in the city of Luna in Italy. A city that Bjorn believed was Rome. A similar tactic of faking death in order to gain entrance to a city via a coffin was used by a subsequent King of Norway, Harald Hardrada. Coincidentally in " A Good Treason " Bjorn is shown seeing a Map that he got in Paris. Which clearly shows " Rome " over Italy and " Gaul " over France. When Ubbe asks him what is that. Bjorn answers it's his future.

While Bjorn being a leader of the Great Heathen Army is featured in the sagas, historically Bjorn was dead by that time.

Gallery

Appearances

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