Qũy's father was Khiêm (Thúc Cái) and his mother was Kiêm Bùi. His paternal grandparents were Hựu and Thai Nghiêm. He had six sisters named Lọ, Kinh, Đán, Len, An and Huê. He had a half-brother and two half-sisters, named Hiên, Vẻn and Phương. He died due to giỗ 20/5 âm lịch at the age of 70. He was buried in Cổ Hạc.