Thủy was born on January 13th, 1960. Thủy's father is Sơn and her mother was Mai Lương. Her paternal grandparents were Thục and Trạch Bùi. She had six brothers and a sister, named Thạch, Thịnh, Chính, Quân, Giao, Thư and Tuyết. She has a half-brother and two half-sisters, named Hòa, Thanh and Nhã.