 He was warmly welcomed and included into the ruling Goryeo family by Wang Geon, bringing a unification of the two successor nations of Goguryeo.He had at least one son, Dae Do-su, who later led Goryeo to victory against the Khitan Liao at the Battle of Anyung Fortress.He was also the ancestor of the Hyeopgye and Yeongsun Tae clan and the Miryang Dae clan, most of whose members currently reside in South Korea.