Family Killer: What do you do if you think you are the best in the family, but are just second best?

What do you do if you think you are the best in the family, but are just second best? Well, if you are this permanent A list musician you abuse your sister until she ultimately died. When the sister was about 12, her brother started sexually abusing her. He had a history of abusing other members of his extended family and to have someone so close in proximity led to her being abused on almost daily basis.