Why don't you just make them stop being brats? I mean, I think you said they're around 11? That's not old at all. And hey, if your family doesn't take them in, they're going to be homeless.
You've got to think of the good you're doing for them instead of the bad they're doing to you.
You've got to think of the good you're doing for them instead of the bad they're doing to you.