Thành was born on December 26th, 1963. Thành's father was Nga and his mother is Ninh Tạ thị. His paternal grandparents were Hổ (Hiệp-Hổ) and Nhu Nguyễn. He has a brother and a sister, named Nguyên and Xuân-Đài. He is the oldest of the three children.