When it comes to the royal brothers – Prince William and Prince Harry – we’re pretty used to thinking of them as a twosome, but did you know they also have a step-sister, Laura, who likes to keep things pretty low-key?

Yep, Laura is the only daughter of Camilla Parker Bowles (also known as Camilla Duchess of Cornwall and the future Queen Consort), who is married to William and Harry’s father, Prince Charles. Meaning that they’re related by proxy! Camilla also has a son, Tom Parker Bowles, a food writer and critic, so it’s not just Laura added into the mix but a step-brother, too.

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Laura, who is no longer a Parker Bowles but a Lopes, since marrying her husband Harry Lopes, who works as a chartered accountant. As for her own profession, Laura has made a name for herself in the art world (something that she has in common with Princess Eugenie, who is a long-standing staffer at Hauser & Wirth art gallery in London).

Read more: Cosmopolitan