Sơn was born in 1940. Sơn's father was Dương and his mother was Lộc Minh Ngô. His paternal grandparents were Tuyển (Cụ Lục Tuyển) and Huệ thị Vũ. He had two brothers and three sisters, named Trường, Hưng, Thu-Thủy, Thu-Hà and Thu-Ba. He was the third oldest of the six children. He died at the age of 43 in 1983.