updated 08/04/2010 AT 7:00 AM ET
•originally published 08/04/2010 AT 7:10 AM ET
Olive Uniacke, 19, was unmasked Wednesday in Britain’s Daily Mail. She is the daughter of Robie Uniacke, 49, and his second (and former) wife, interior designer Rose. Now divorced, Olive’s father has been linked to actress Rosamund Pike, while her mom is now married to Potter producer David Heyman.