I'm going to keep my kids away from my mom.
How can you keep your kids away from her?
I would give her a plane ticket to a faraway place. And I will not let her see the kids.
I'm sorry your mom was such a cruel person, you're just trying hard to keep your kids away from such a bad person. Even if she is family, your children don't deserve to see such evil incarnate and suffer like you did.
That's what she gets for being a bad parent.
I think your kids will be better off not having such a toxic person in their life.