| Lady Yi | |||||
|---|---|---|---|---|---|
| Princess of Joseon (posthumously) | |||||
| Born | 1330 Goryeo | ||||
| Died | ? Jangpung County, North Hwanghae Province, Joseon | ||||
| Burial | Cheonsu-won, Jeok-gyo, Seogyechwi, Jangpung County, North Hwanghae Province | ||||
| Spouse | Cho In-byŏk | ||||
| Issue | 6 sons and 3 daughters, 1 adopted son and 1 adopted daughter | ||||
| |||||
| House | Yi | ||||
| Father | Yi Cha-ch'un | ||||
| Mother | Lady Ch'oe, of the Yeongheung Ch'oe clan | ||||
| Korean name | |||||
| Hangul | 정화공주 | ||||
| Hanja | |||||
| Revised Romanization | Jeonghwa Gongju | ||||
| McCune–Reischauer | Chŏnghwa Kongju | ||||
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.[1][2]
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).[3] 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).[4] After the Joseon Dynasty was established, Cho was then honoured as Internal Prince Yongwon (용원부원군).