Is there something I can put in place so that my childrens aunt cannot come near them, see them or contact them?

It's doubtful, but more info is needed. You should discuss this issue with a family law attorney.

Yes, as long as you have been a Florida resident for at least six months prior to filing for divorce.

Child support- Florida

If you were ordered to pay child support, then paternity was established. There exists a cause of action called disestablishment of paternity, but...

My ex-husband started by representing himself, now has a lawyer, but is still submitting filings on his own. Is that allowed?

his lawyer should be the one filing documents. You should call his lawyer and let the lawyer know what is happening.

The father wants to sign over his rights to his 17 year old son in order to not pay child support. What is the law in Tampa, Fl

I agree you should find a lawyer in your area to discuss this further.

Can I overturn an adoption for my twins if I was in duress?

It is highly unlikely, however you should contact a competent adoption lawyer.

Christmas vacation and timesharing

Yup, count the total days in the break and divide in two.

What will happen to the Contempt of Court if the party who filed it does not schedule a hearing?

Agreed. Nothing happens until a hearing is held on the motion.

In a case management conference on divorce case can temporary relieve of child support be asked for or do you have to wait

No. A case management conference is not an evidentiary hearing.

How do I transfer my divorce from NC to FL?

You will need to register the out of state order and file a motion for contempt. Contact a family law attorney to discuss this further.