If father with full custody dies, can bio mother regain custodymother gave up custody because of drug abuse but father allowed contact with mother. they have a good relationship , mother has and is turning her life around. father passed away with sudden illness, does mother have to go thru the courts to regain custody? Attorney answers (0)No Attorney answers yet.Most questions get answered by a lawyer within a few hours. Until then, the questions below might help you. Find Child Custody Lawyers |