Sara (The Widow's Curse)

From Tardis Wiki, the free Doctor Who reference

Sara was the wife of the anthropologist and travel writer Lee Deverill. When their group visited Shadow Cay, which was in reality a disguised Sycorax spaceship, she was murdered by the Gilfane Craw. Her skull was worn around the Gilfane Craw's neck. (COMIC: The Widow's Curse)