Sen. Marco Rubio Marco Antonio RubioOvernight Defense: Pentagon redirects pandemic funding to defense contractors | US planning for full Afghanistan withdrawal by May | Anti-Trump GOP group puts ads in military papers Democrats step up hardball tactics as Supreme Court fight heats up Press: Notorious RBG vs Notorious GOP MORE (R-Fla.) discovered a link to Native American ancestors through an appearance on "Finding Your Roots," according to the PBS show's host.

Henry Louis Gates Jr. said in a preview clip for the show, airing Wednesday evening, that an ancestor on Rubio's mother's side was "pure Native American."

Gates also explained how the particular set of Native Americans Rubio is descended from migrated through the Yucatan Peninsula, a stretch of modern-day Mexico near Cuba, as early as 4,000 B.C.

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"Talk about ancestral roots in Cuba ... your family on your mother's side has been there a long, long time," Gates says in the video.

Rubio responds that he has visited ruins in the area, including Chichén Itzá, before remarking, "Who knew I was going back home?"

On tonight’s episode of #FindingYourRoots, we reveal that @MarcoRubio’s direct maternal line was Native American. pic.twitter.com/EREqJ45Ocd — Henry Louis Gates Jr (@HenryLouisGates) February 13, 2019

In his own tweet, Rubio hinted of more revelations on the episode, including a "famous distant relative."

"My Native American heritage was an amazing discovery. But you forgot one of the most surprising discoveries,my famous distant relative! I will have to break the bad news to him myself," Rubio wrote.

Thank you for including me. It was one of the most amazing things I have ever been a part of



My Native American heritage was an amazing discovery. But you forgot one of the most surprising discoveries,my famous distant relative!



I will have to break the bad news to him myself https://t.co/5c46p0BWAb — Marco Rubio (@marcorubio) February 13, 2019

"Finding Your Roots" has featured other high-profile Capitol Hill guests such as Sen. Bernie Sanders Bernie SandersButtigieg stands in as Pence for Harris's debate practice Bernie Sanders warns of 'nightmare scenario' if Trump refuses election results Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (I-Vt.) and former Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (R-Wis.).