Did you know Meghan Markle and Prince Harry are incredibly distant cousins?

The old wives’ tale that we’re attracted to people who look like our parents may be debatable, but the Duke and Duchess of Sussex share more than just a marriage. Apparently, they share an ancestor dating 15 generations back. But they’re not the first royals to be married and related—here are more royals who married their relatives. Plus, check out these less disturbing “did you know” facts about the British royal family.