I echo the others who suggest that you get some legal counsel. However, I will put in a little dissent as well. You need to take a long, hard, and very realistic look at everything you know about this man and about his family. If you accept child support from him, that necessitates some small amount of ongoing contact between you; at the very least, he will always know where you and your child are. Is that fact likely to come back to harm you or the child in some way in the future? Will your ex suddenly want shared custody or visitation? Will his parents try to involve themselves in their grandchilds upbringing? If these things are at all likely, then that should carry some weight in your decision too, in my opinion. If he's likely to be a poor earner who can only contribute a tiny amount of money, taking it may not be worth having him able to continue to be involved in your life, even in a small way. Talk it over with a lawyer, and don't be afraid to talk to a counselor or minister as well if that will help you clarify your thoughts. Good luck.