No, that is not a valid response to a divorce petition. Judges can be fairly lenient with pro-se litigants though. Your sister can keep the...

Should be fairly simple with the father's death certificate. You still need an attorney as you do not want to mess up an adoption.

The form requires both parents signature. It's done through probate court and you don't need an atty.

If there is no case (custody, divorce, paternity) there are no enforceable orders. So yes she could just take the kids without recourse. Dad...

You will need to call the CS office and ask & also tell them where he works. Attorney's aren't privy to the abbreviations that the CS office uses...

That should have been spelled out in your settlement agreement or court order. If it isn't make motion and have the court set a date (if you...

There is case law on this. The "mistake" of not filing the marriage certificate does not null the marriage. You are married. File for divorce.

The court won't make much of it. I'm going to be real with you here, you knew what he was and you made a baby with him so you also won't get any...

Dad will get the SSD money. ...

Yes, adults can be adopted. You need an attorney. This is sever your legal connection to your biological mother.