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Just because they’re engaged to be married doesn’t mean Princess Eugenie and her fiancé, Jack Brooksbank, aren’t related. (Wait, what?)

As it turns out, the royal couple are—drumroll, please—distant third cousins (twice removed, to be fair). It all dates back to a common 19th-century ancestor, Thomas William Coke (the 2nd Earl of Leicester), and his two marriages: Juliana Whitbread and Georgiana Caroline Cavendish.

Still confused? Have no fear. Business Insider put together a handy-dandy chart that explains the couple’s bloodline.

princess eugenie jack brooksbank relatives
Business Insider/Getty Images

If you’re alarmed, don’t be. In fact, they’re not the only royal couple to have an ancestor in common. Don’t believe us? Exhibit A: Queen Elizabeth and Prince Philip are both directly related to Queen Victoria.

Just let that sink in.

RELATED: Listen to ‘Royally Obsessed,’ the Podcast for People Who Love the Royal Family

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