Mạc was born in 1920. Mạc'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 Tuân, Tọa, Dung, Điều, Triu, Bân (Bên) and Trát. He was the fourth oldest of the eight children. Mạc is no longer alive.