Career
He was the elder brother of King Sejong. Father: King Taejong (태종)
Mother: Queen Wongyeong of the Yeoheung Minister clan (원경왕후 민씨)
Consorts and their Respective Issue:
Lady Yeseong, Princess Consort, of the Haeju Jeong clan (예성부부인 정씨)
Yi Chae, the Prince Uiseong (의성군 이채), 1st Son
Yi Chinese, the Prince Seowon (서원군 이친), 2nd Son
Yi Gap, the Prince Boseong (보성군 이갑), 3rd Son
Yi Military, the Prince Nakwon (낙원군 이밀), 4th Son
Yi Jeong, the Prince Yeongcheon (영천군 이정), 5th Son
Yi Ui, the Prince Woncheon (원천군 이의), 6th Son
Princess Biin (비인현주), 1st Daughter. Later married Lee Hun (이훈)
Lady Pyeonghae Son clan
Yi Nang
Unknown Daughter.
Later married Jeon Jin-hyeong (전진형).