Harry Potter

Sirius: Harry, Voldemort has one weakness who'd we had been looking for, for about 4 years. Harry: who are they? Sirius: it's a female, her name is Y/n Riddle, she was the Daughter of Lord Voldemort and she betrayed him. Molly: Sirius, that's enough, say one more thing and Harry will be wanting to find her. Harry: good, if Voldemort is raising an army then we need to find her.