My-Thanh was born on January 3rd, 1952. My-Thanh's father is Lân and her mother is Mỵ-Thuyên Nguyễn. Her paternal grandparents were Lan and An Lê. She has three brothers and two sisters, named Môn, Miện, Mạnh-Hùng, Mộng-Tuyết and Mỹ-Dung. She is the second oldest of the six children.