Cương was born in 1904. Cương's father was Kỷ and his mother was Thảo Trần quang. His paternal grandparents were Chiểu and Tiếp Trịnh. He had a brother and three sisters, named Thống, Dữa, Bất and Xuyến. He was the oldest of the five children.
General Notes
Sinh ngày 18-2 năm Giáp T?? 1932: Đi lính khố xanh ở Hà-đông rồi đổi đi Xuân-mai, Hòa-bình và Thái-bình.