Can I refile for trying to get child support on someone else if the first man isn’t his biological father ?

Yes, you can. This is common where the father is not immediately known and DNA testing may be required.

No. Only the perpetrator of domestic violence can receive additional charges for contacting the victim.

My my husband remarried but I've never got any divorce papers?

You could contact an attorney to do a civil case registry check to see if anything was filed.

How do I stop my children from being exposed by their mother to getting in the car with her drunk boyfriend?

Hire a private investigator and provide the findings to a competent attorney.

What happens if the defendant files a motion to dismiss a permanent domestic violence restraining order?

If you don’t respond, the judge will make orders without your participation.

California 207 B "persuasion"?

Huh? Are you asking a criminal law question? You are posting in the wrong category.

How does offsetting in child support work??

They offset her support obligation against your arrears.

How?

Your question is confusing. Please provide more facts for a better answer.

Cps told me that I had to go to domestic violence class ?

Are you the perpetrator of domestic violence? The normal length of these classes are 52 weeks.

How.do.i.sue.cps...?for.no.due.proses.for.malisiously.aielenating.me.and.fallsifying.reports

I would start by talking to a supervisor to express your concerns prior to taking any further action.