Divorce

Am I legally married if my wife used a false identity?
If my wife knowingly gave a false social security number and I think even a false name, am I legally married since she left me 5 years ago and I have not heard from her since.
Is my son the legal father of his wife's child at birth?
My son and his wife have been seperated 6 months - she is now 4 months pregnant by a man she lives with. We live in North Carolina. Is my son considered the father of the child and listed as such on the birth certificate since they will still be married at the time of the birth?
Can a British wife in England divorce her husband in the US?
Wife is in England. Husband is in the US. Wife is British and her residence is in England. Wife and Husband have been seperated for 2 years and wife wants a divorce.
How can joint custody work if one parent moves to England?
Spouse is in the US Air Force and Spouse is British. They reside in the United States. Spouse wants a divorce and Spouse B wants to return to England. There are 2 children, age 9 and 11. Spouse wants joint physical custody. Spouse is concerned about how this could work.
Where can a US citizen in Tennessee file for divorce from an English citizen?
Woman is a US Citizen and resident of Tennessee. Man A and Woman were married in England and live in England for 2 years. Man A is a citizen of England. The parties seperate and Woman moves to Tennessee and wants a divorce. Where may the divorce be obtained?