Thúy-Miên was born on October 31st, 1961. Thúy-Miên's father is Lãnh and her mother is Hồng-Loan Lê-Kim. Her paternal grandparents were Lê and Ngọc Phạm thị. She had two brothers and two sisters, named Mạnh-Vũ, Mặc-Bảo, Diệu-Mỹ and Minh-Thu. She is the second oldest of the five children. She has a half-brother and two half-sisters, named Mac, Mỹ-Anh and Mỹ-Duyên.