oh my. I'd be terrified of you. Consider taking an anger management class. Building trust after such violence will take time.
My apologies for what happened to you and my response. You've already apologized to them - they should be reaching out to you. You all need help. What are your parents doing about it?
I am so sorry you going through this, it is NOT your fault. They need serious help and should get it. Do what you have to to stay safe. Don't apologise any more they should be the ones crying for forgiveness and saying it's their hormones is NO excuse and there shouldn't be any excuses made. Parents are there to protect all their children.