—Bellatrix to Harry Potter during the Battle of the Department of. Bellatrix Lestrange (née Black) (—2 May, ) was a pure-blood witch, the daughter of Died: 2 May, (aged 47) Great Hall, Hogw. J.K. Rowling, Harry Potter and the Deathly Hallows. Of all of Lord Voldemort's Death Eaters, Bellatrix Lestrange may be the most dangerous. After the Malfoys.