Princess Anne

Princess Anne was a member of the British Royal Family. When the Tenth Doctor theorised that the Royal Family might be werewolves after Queen Victoria's encounter with a Lupine Wavelength Haemovariform in 1879, Rose Tyler initially doubted this, but then said, "Mind you, Princess Anne." (TV: Tooth and Claw)

She was pictured next to Prince Philip at some point. The Monks had said picture altered during their invasion. (TV: The Lie of the Land)

Behind the scenes
Princess Anne is the daughter of Queen Elizabeth II and Prince Philip. She was portrayed by Alexandra Moen in the telefilm Whatever Love Means.