Roseline after Elizabeth was born and she was furious because she wanted the perfect daughter and Willam said no more kids as he thought 3 was above what they should have had but she was obsessed with the perfect daughter so she thought if one of the boys die then I can have want I want and she didn’t want to kill Willams how else would she get another chance at having a child a and Michael would be too old and Willam wouldn’t want another child so she chose Evan. She was also very abusive up until the party abused Michael. On the day of the party, Rosaline loosens the spring locks and watches as her 2 born son decides. Over a few months, he abused Michael even more saying it was for killing cc. one-day Willam after killing the missing kids couldn’t take it anymore, he took her on a date and tried to drown her after leaving she tried to get up, but something pulled her down father and father. And strangled her until she died