Nhàn was born in 1922. Nhàn's father was Tuyển (Trung Thành) and her mother was Yến Nguyễn. Her paternal grandparents were Thuận and Vẽn thị Nguyễn. She had two brothers named Vũ and Cao. She had two half-brothers and a half-sister, named Lai, Dương and An. She died at the age of 30 in 1952.