Tuân was born in 1906. Tuân's father was Dzu and his mother is Lan Nghiêm bá. His paternal grandparents were H Chất and Nhu Nguyễn. He had four brothers and three sisters, named Mạc, Tọa, Dung, Điều, Triu, Bân (Bên) and Trát. He was the oldest of the eight children. Tuân is no longer alive.