Ask your wife what she wants to do since it can be addressed via the family court in that setting--and it can have a large effect on that case if...

Take a look at TexasLawHelp.org. There may be some forms on there you can use. If not, you really need to go sit down with an attorney and...

You need to get an attorney in what sounds like active litigation. These questions can only be answered in that context. Generally, the items...

Sue her for return of expenses, probably not. If you had some sort of written agreement that the expenses were reimbursable, maybe. Sue her for...

In Texas, minors can marry with parental permission--and usually court approval, also. Beyond that route, this minor would need to be...

You could sue, yes. You probably will not win since you made a gift...

This is possible--generally-speaking--via a post-nuptial agreement, or parts of it via what is called either a 'marital property agreement' or a...

You could change your name to another name you used previously, yes. You would need to include that language in your Final Decree of Divorce, or...

Your question doesn't address "child custody" so I switched to "general practice" so you will hopefully get some better responses.

Consult with an attorney. If this is your ex-wife, you likely have defenses to any such claim. If it is your current wife, you are looking at a...