searching for birthfamily/born in fargo ND in 1975

Helping my husband search for his birth family. He was born in Fargo, ND in 1975. His mother stayed at luther hall. He was adopted in August of 1975. Birth mother was Swedish. Birth father was German. She had worked at a nursing home. They were both 17 at the time of his birth. Birthdate 7-7-1975