In the state of Virginia..

I'm not sure how this is bribery, as bribery would typically involve offering her something of value.  Here it sounds like what he is offering it less than what she would want.  It sounds more like he is withholding the children and putting pressure on her to sign an agreement she is not happy with.  There is nothing illegal about it and it happens all the time, although withholding the children from the other parent is certainly a factor a court could consider in determining who should have custody.  If she is not happy with the proposed custody arrangement she should contact the Juvenile & Domestic Relations District Court for the county in which the children primarily reside and make an appointment to file for Custody and Visitation.  If she is being denied contact with the child, she can file a preliminary motion to get a temporary visitation schedule established while the case is pending. This answer is given in accordance with the laws of Virginia and may not be applicable in any other state.  It should not be construed as legal advice, as that would require a more thorough analysis of all of the facts involved in a specific case.  If you need further information or assistance, please feel free to contact my office for a consultation. Case results depend upon a variety of factors unique to each case. Case results do not guarantee or predict a similar result in any future case.