Married his half niece, Lady Yu (부인 유씨code: ko is deprecated ; 婦人 劉氏code: ko is deprecated ) who was Deokjong's daughter. In Goryeosa, Wang Chung appeared with the title of "Geomgyotaesa" (검교태사, 檢校太師; "Taesa" is a type of post that given to a servant, public servant, and high-ranking official during the Goryeo dynasty period while "Geomgyo" is like a kind of honorary position) and a believer of Buddhism.[1][2]