In 1979 Bellatrix gave birth to a baby girl on the floor of her Azkaban cell. She was told the baby died. 17yrs later, Hermione is abducted during a skirmish in the Dept. of Mysteries. She is taken to Malfoy Manor to be questioned and killed, but Bella, spotting a unique birth mark she will never forget, sobs to the Dark Lord: "Please, Master, you cannot kill your own daughter!"