Princess Jeonghwa (Hwanjo)

Lady Yi of the Jeonju Yi clan or posthumously called as Princess Jeonghwa, was the fifth child, second and youngest daughter of Yi Cha-ch'un and also a full younger sister of Yi Sŏng-gye, the founder of the Joseon Dynasty.

In 1392, her brother made a new dynasty, their father was granted royal title as King Hwan (환왕; 桓王; later Hwanjo; 환조; 桓祖) and their mother was granted the title as Queen Ui (의비, 懿妃; later Queen Uihye; 의혜왕후; 懿惠王后). Under Emperor Gojong of Korea's command, she was then posthumously honoured as Princess Jeonghwa (정화공주, 貞和公主) in 1872. She married Cho In-byŏk, son of Cho Ton from Hanyang Cho clan (한양 조씨, 漢陽 趙氏). After Joseon dynasty was established, Cho was then honoured as Internal Prince Yongwon (용원부원군).

Family

 * Father: Yi Cha-ch'un – son of Yi Ch'un and Lady Pak.
 * Mother: Lady Ch'oe – daughter of Ch'oe Han-gi and Lady Yi.
 * Brother: Yi Sŏng-gye
 * Husband: Cho In-byŏk, Internal Prince Yongwon – son of Cho Ton and Lady Yi.
 * Adopted son: Cho On, Internal Prince Hancheon – married firstly with Lady Jang, then remarried again with Lady Bak.
 * 1st son: Cho Yŏn, Internal Prince Hanpyeong – married Lady Kim.
 * 2nd son: Cho Hu
 * 3rd son: Cho Sa
 * 4th son: Cho Pu
 * 1st daughter: Lady Cho – married Hwang Kil-wŏn.
 * 2nd daughter: Lady Cho – married Im Maeng-yang.