I think that he has many rights to that baby because if she doesn't care about her other kids what makes it so sure that she will care about that baby
If you are not married the custody automatically falls on the mother and the father have to go to court to get visitation or custody. If you are married you have equal rights.
Yes, equal to the mother.
Each has equal rights and responsibilities.
Both you and your parent's partner have rights to her.
The answer depends on the state where you live, but generally not. Most fathers, particilarly if not married to the mother, have fewer rights.
No. That can only be done by a court order.
If he is not the natural son of the father, no. He is not a descendant and therefore has no rights to it. The divorce decree would have severed all of the rights between his mother and your father.
Yes, If he was married to your birth mother before you were born.
yes
In every state except Arizona the mother has sole custody of the child and the father has no assumed rights until granted them by the courts.
See to that she gets temporary custody asap. They both have equal rights to the kids as long as they are married.
Yes, see related link.