Lithiya Black Riddle

Backstory

Lithiya Cassioppea Riddle Black, daughter of Bellatrix Black and Tom Riddle. she's at Slytherin. she always lived lonely in dangerous places she always taught her parents were dead but when she went to Hogwarts she searched about the only thing could tell her something about her parents; he's family name, Black (she do not now he's other family name; Riddle)
and she find out she was the daughter of one of the most feared Dead eaters.