Do I have any legal recourse against my ex and the inlaws for alienation of affection
No. I think you misunderstand what alienation of affection means. Read here.


as well as requesting a court order to force them to divulge my daughters name so that I can be in touch with her?
The time to do that was when she was a child. As an adult, it's possible she may not want to be contacted by you.