Măng's father was Duệ and his mother was Thu Bạch. His paternal grandparents were Trấn and Thông Nguyễn. He had a brother and a sister, named Do and Trang. He had two half-brothers and two half-sisters, named Nguyên, Trường, Đoan and Tịch. He died due to giỗ 1/4 âm lịch. He was buried in Xứ Mưỡu.