Family Law Questions? Ask a Family Lawyer Online.
Hi - my name is ***** ***** I'll be glad to assist.
Under New Hampshire law, “Persons cohabitating and acknowledging each other as husband and wife, and generally reputed to be such, for 3 years shall thereafter be deemed to have been legally married, until one of them dies.” (http://www.gencourt.state.nh.us/rsa/html/XLIII/457/457-39.htm)
Thus, if you meet those criteria, you should be his heir at law and next of kin.