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The Brexit-supporting Tory backbencher has built up a fan base of supporters as curiosity surrounding him peaked with the arrival of his new son. Mr Rees-Mogg and wife Helena Anne Beatrix Wentworth Fitzwilliam de Chair named their sixth child Sixtus Dominic Boniface Christopher Rees-Mogg. The couple’s five other children also boast lengthy names with the family regularly the focus of the Tory MP’s popular Instagram page, which boasts 33,000 followers, 17,000 more than the Prime Minister.

Mr Rees-Mogg gained a legion of supporters after he used the longest word ever uttered in the Commons, “floccinaucinihilipilification”

Nine-year-old Peter Theodore Alphege, the couple’s eldest child, has been dubbed “mini Jacob” after he was spotted on the campaign trail with his father dressed in a matching suit and large Tory rosette. A photo of the two of them outside a tattoo parlour with a poster reading “keep sane, don’t vote Tory” with the caption from Mr Rees-Mogg saying “we shall have to take our business elsewhere” went viral. The bespectacled Old Etonian is known for his wit and is often seen in the House of Commons lounging on the backbenches in his customary double-breasted suit.

The real Jacob Rees-Mogg Wed, February 8, 2017 Jacob Rees-Mogg is one of the biggest characters in the Tory party. Known for his RP diction, humorous speeches and staunchly pro-Brexit views, the MP for Northeast Somerset is firmly in the public eye Play slideshow AFP/Getty Images 1 of 12 Jacob Rees-Mogg poses as he delivers a petition against the provision of foreign aid at 10 Downing Street in London

Mr Rees-Mogg, 48, gained a legion of supporters after he used the longest word ever uttered in the Commons, “floccinaucinihilipilification” in 2012. He also campaigned tirelessly for Brexit. He entered the public sphere in 1997 when he stood for Parliament in Central Fife, catching the public’s attention as he campaigned alongside his former nanny. Behind the old-fashioned suits and unmistakable voice Mr Rees-Mogg is a finance heavyweight, a founder of Somerset Capital Management, an emerging markets investment firm that manages assets worth £6.6billion.

GETTY/ INSTAGRAM Jacob Rees-Mogg has become a viral sensation following the birth of his sixth child

A figure of amusement and intrigue, the successful financier began his career as an investor at an early age after becoming interested in the stock market when a cousin left him £50. His father, a former editor of The Times, invested the cash and a young Jacob was soon attending shareholders meetings and reading the Financial Times. Today Mr Rees-Mogg and his heiress wife’s net worth will be in excess of £100million, according to the Spectator.

INSTAGRAM Jacob Rees-Mogg has attracted legions of fans with his Instagram page

INSTAGRAM Jacob Rees-Mogg and his wife welcomed their sixth child Sixtus Dominic Boniface Christopher

PARLIAMENT Mr Rees-Mogg is hoping to become the new chair of the Treasury Select Committee