Sejong the Great fourth king of Joseon (Korea), creator of Hangul (1397–1450) Parents Wongyeong Taejong of Joseon Children Hannamgun prince YeonPung prince HwaYi lady ChangHyun Suchungun Jeongeui Imyeong prince YiChang Gwangpyeong Jeongso Lee YeonHae Sejo of Joseon Anpyeong prince MilSang Geumseong prince IkHyun prince DamYang Munjong of Joseon lady ChongAn Yeongeung prince KyeYang Pyeongwon Siblings Keongjon Yangnyeong Chonsan Chonsoun KeonAhn Prince Seongnyeong Prince Hyoryeong Suksun Ongju Huiryeonggun SukAn Ongju Prince Gyeongnyeong KeongSin Ongju SeoSuk Ongju SeoSin Ongju Haereung Gun Sukkyn Ongju SukKeung Ongju Onneung Gun Hamneung Gun Jeongeui Partners Lady Song Lady Chonju Lee Lady Choi Lady Park Soheon Yang Lady Cha lady Lee Lady Ho Lady Kan lady Kang
