The night harry was made the boy who lived, voldemort went to his twin sister Alexandra first who was by the outlands with James potter when voldemort attack them, A lioness named Zira was by them with her cubs Nuka, Vitani and Kovu when she heard voldemort so she went over to see was happened to see voldemort leave and a baby crying. Zira went up to the baby just as she turns into a lion cub and looked liked Kovu so she took her in as her own and raised her to be Scar heiress.