You need to contact an attorney. There are many facts not included in your question that can affect the results and opinions.

My suggestion would be that you contact the State of Washington Division of Child Support. There should be an office in your area. As you are...

You were and are to be provided with copies of anything filed with the court and that the Court considered. You should contact the Clerk's office...

You indicated he forged signatures to get a "divorce certificate" but you did not indicate the location of the Court that issued that certificate. ...

We would assume you have a Parenting Plan in place either through a divorce proceeding or a "parentage action". If not, that is where you start. ...

Short answer is "No". Not sure why you are asking but at 18, the step-son or step-daughter is an adult, not a child. Unless the Order of Child...

There are many facts you have left out of your question that makes giving you a clear answer difficult if not impossible. Was there a divorce...

Creating a separate bank account under your name alone with an inheritance is an excellent idea. While the court has authority (i.e.,...

Your question seems to ask about the law in Thailand, not the US. Best consult with a Thai legal advisor.

The area of committed intimated relationship is a developing area of the law as opposed to being well defined. You need to contact an experienced...