Miên's father was Toái and her mother was Suyên. Her paternal grandparents were Huy and Lai Nghiêm Bá. She had a brother and four sisters, named Đỏ, Vượng, Khả, Khê and Minh. She had a half-brother and two half-sisters, named Thiện Kế, Huê and Huệ. She died due to giỗ 29/3 âm lịch. She was buried in Mả Bia.