I don't see why the mother's marital status would be a barrier. However, keep in mind that signing over one's parental rights does not terminate a child support obligation.
Yes, equal to the mother.
It depends on the details of your situation, such as whether you are married, divorced or never married and whether the father has any custody rights or visitation rights.
No. That can only be done by a court order.
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.
Each has equal rights and responsibilities.
Yes, If he was married to your birth mother before you were born.
The father if he is not also guilty of adultry
The answer depends on the state where you live, but generally not. Most fathers, particilarly if not married to the mother, have fewer rights.
Yes, see related link.
If they are legally married, the father gets rights until mother gets out of prison, after that it is up to the state. If not legally married, they go into state custody.
1) to pay support; 2) to petition the courts for visitation
The father's step sister has no legal rights in this case. A mother automatically has custody of her child.The father's step sister has no legal rights in this case. A mother automatically has custody of her child.The father's step sister has no legal rights in this case. A mother automatically has custody of her child.The father's step sister has no legal rights in this case. A mother automatically has custody of her child.