Ngọc-Diệp was born on May 30th, 1970. Ngọc-Diệp's father is Trung (Chung-Nhi) and her mother is Truy Lê thị. Her paternal grandparents were Liêm and Bún. She had a brother and three sisters, named Thành, Thanh-Hiền, Thu-Hương and Kim-Hoa. She is the second oldest of the five children.