Minh-Châu was born on October 16th, 1959. Minh-Châu's father was Liêu and her mother was Chúc Ngô. Her paternal grandparents were Lê and Tuyên Ngô. She had a brother and three sisters, named Mẫn, Mai-Hương, Mộng-Thủy and Mạnh-Thu. She is the second youngest of the five children. She has two half-sisters named My-Dương and Kiều-Oanh.