Dojo grandfather of king Taejo of Joseon ? - 1342) (1300–1342) Parents Jeongsuk Ikjo Children Princess Munui Yi Cha-ch'un Yi Cha-hŭng Princess Munhye Lee Wanjabulhwa Grand Prince Wanwon Grand Prince Wancheon Princess Munsuk Grand Prince Wanseong Siblings Grand Prince Hamseong Princess Anui Grand Prince Hamyang Grand Prince Hamcheon Grand Prince Hamnyeong Grand Prince Hamreung Grand Prince Hamchang Grand Prince Hamwon Partners Queen Gyeongsun