There's a girl named "Cassia Malfoy" and she has a brother named "Draco Malfoy" and a Future sister in-law "Thalia Lestrange " the daughter of "Bellatrix Lestrange" Lets see how Draco Malfoy and Thalia Lestrange escape their death threats ,to their wedding with his younger sis. [i know that Bellatrix and Narcissa is related but it was "my story"]