Taejong of Joseon 3rd King of Joseon Dynasty in Korea (1367–1422) Parents Sinui Taejo of Joseon Children Chonsan Chonsoun Huiryeonggun KeongSin Ongju Suksun Ongju KeonAhn Prince Hyoryeong Prince Seongnyeong Haereung Gun Sejong the Great Onneung Gun Sukkyn Ongju Keongjon SukAn Ongju SukKeung Ongju Yangnyeong SeoSuk Ongju Hamneung Gun SeoSin Ongju Prince Gyeongnyeong Siblings Princess Soucksin Princess Kyungshin Grand Prince Deokan Grand Prince Hoean Princess Gyeongsun Grand Prince Ikan Grand Prince Jinan Princess Uiryeong Jeongjong of Joseon Grand Prince Uian Grand Prince Muan Princess Kyungsun Lee Deok-geun Partners Sonbin Ahn ssi Haesun Kongju Lee ssi Haeson Ohngju Hong ssi Sinbin Sinssi SukHae Ongju Chang ssi Sukgong gungju Chonbi Go ssi Anjong Kongju Cho ssi Meungbin Kim ssi Uibin Kwon ssi Suk-i Choi ssi Sinbi Noh ssi Doksouk Ongju Lee ssi Hyobin Kimssi Wongyeong Seokeung Ongju Sinsoun Kongju Lee ssi