Is a wife's cursing of her husband's father considered sufficient grounds for divorce, and is she entitled to prevent the husband's family from seeing their son?

Obeying the father in divorcing the wife is not obligatory, unless there is a legitimate Shariah justification. If she is righteous and what occurred from her was merely a slip or anger, then divorcing her is not obligatory. However, if she is ill-mannered, then divorcing her is preferable. If there is a benefit in her remaining, he should try to convince and appease his father. Moving to another residence might be a solution. His wife does not have the right to stipulate that he not visit his family with his son, for he is the head of his household and family.