Thu-Trang was born on October 17th, 1955. Thu-Trang's father is Nam and her mother was Tịnh Hà thị. Her paternal grandparents were Tòng and Trương Trịnh. She has a brother and two sisters, named Tú, Hồng-Ánh and Thúy Trâm. She is the second oldest of the four children.