Depends on your jurisdiction and your judge, I'm betting. I knew a woman whose husband was abusive, cheating. She finally left with the two kids (teen and 12). Stayed in the same town, tried to make the kids go to their visitation with their dad, but he was so awful and inappropriate, they didn't want to go.
He went the parental alienation route and got 50:50 custody and she lost child support.
Just saying - be really careful. Better not to be put in that position in the first place.