Princess Anne

Princess Anne was a member of the British Royal Family in the early 21st century. When the Tenth Doctor theorised that the Royal Family might be werewolves after Queen Victoria's encounter with a Lupine Wavelength Haemovariform, Rose Tyler initially doubted this, but then said, "Mind you, Princess Anne." (TV: Tooth and Claw)

Behind the scenes
Princess Anne is the daughter of Queen Elizabeth II and Prince Philip.