Alanon, Acoa and Alateen – if you can’t get to meetings, call the nearest office and ask them to send you literature. You can have your own mini meetings with your siblings.
The most important thing to remember is the 3 c’s, you didn’t cause it, you can’t control it and you can’t cure it.
Have an escape plan for when violence erupts. Keep clothes and some cash hidden somewhere and take your siblings and get the hell out. You can’t make your mom leave but you should arrange with a friend or relative to take you in when you feel scared.
There are those who say that modern medicine has found methods to cure people who don’t want to be cured but I have never seen it happen. He has to hit the bottom and want to change himself for himself, it is the onlyl way that works.
It is also important to get help from acoa so that you don’t fall into the same sort of relationship as you get older. It happens often, so be vigilant.