Francine Trueman (Earth-7)

Childhood
As a child Frankie Trueman was neglected by her parents, who wished she could be more like her older, successful sister. When Frankie discovered her mutants abilities of creating fire, she decided to burn down their house so they would pay attention to her. However, her parents died in the fire, leaving her all alone. Frankie was not held responsible, because she was only a child.