Are you married? If not, you have less ground to stand on. Since you are renting the place from his parents, there isn't even property rights that you can ask for. If the court orders you back and him to leave, the parents will just evict you. As for not letting anyone pick up your children, sorry but he is the father and has the same right to them as you. My best advice is see an attorney now and see if you can't get him to pay some money to house you and your children.
Answered on Jan 07th, 2014 at 8:13 PM