On October 31, 1981, Voldemort attacked the households of Potter, Longbottom, and a third… the Peverells. Sirius Black was harboring the Peverells. Who hid their power from Voldemorts wrath. And that night. right before he could chase Peter, his wards went off. Distracting enough that he rushed home— and found two more of their dear friends dead. However their daughter, Elizabeth Peverell was hidden just in time. In a door only Sirius could unlock. So that night. Instead of chasing Peter down. He calmed down a crying newborn around Harry’s age, knowing Harry was safe with Hagrid..