Lyra Narcissa Malfoy

Lyra Narcissa Malfoy was kidnapped as a baby and thought to be dead, but she grew up as Heather Potter. However when she comes into her inheritance at sixteen the suspicions she'd already had about Dumbledore and his band of merry men are confirmed and Lyra joins her families and Tom Riddle's side in mere moments of discovering this. And besides that the older wizard is Lyra's mate