If you're in the US, you would have to petition the court for a change of custody. Rather the court would grant your petition or not, would depend on many factors.
yes he should do
see links below
see your other question
No, he shouldn't be able to if she is legally married. If she was underage at the time of marriage and the custodial parent signed off on the marriage and that should have been the end of parental custody.
lost the child to whom?
In less than 15% of of cases will family services consider it, so it will require a full custody challenge. see links
In order for a mother to regain custody of her son after signing over legal custody to his aunt, she would typically need to go through the legal process of petitioning the court to modify the custody arrangement. This may involve demonstrating that there has been a significant change in circumstances or proving that it is in the best interest of the child to have custody returned to the mother. Consulting with a family law attorney would be recommended to navigate the specific legal requirements and options in their jurisdiction.
All possibilities exist.
you dont
yes see links
This seems extremely unlikely.
No. The guardian can call the police and report the mother for taking the child. If the mother wants to regain custody she must do so through the court.No. The guardian can call the police and report the mother for taking the child. If the mother wants to regain custody she must do so through the court.No. The guardian can call the police and report the mother for taking the child. If the mother wants to regain custody she must do so through the court.No. The guardian can call the police and report the mother for taking the child. If the mother wants to regain custody she must do so through the court.