Hải Jean-Pierre was born on January 17th, 1955 in Saigon. Hải Jean-Pierre's father was Toàn and his mother was Bích-Ngà Hoàng. His paternal grandparents were Hoàng and Tư Vi thị. He has a sister named Như-Mai Marie Christine. He is the older of the two children. He has a half-brother and a half-sister, named Tín and Chu Marie Jeanne.