Princess Chŏnghwa (Hwanjo)

For Goryeo Royal Lady as the 2nd wife of Chungsuk of Goryeo, see Princess Bokguk.

Not to be confused with Princess Jeonghwa.

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]

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
Posthumous name Princess Jeonghwa (정화공주, 貞和公主; given in 1872 by Emperor Gojong of Korea)
House	Yi
Father	Yi Cha-ch'un
Mother	Lady Ch'oe, of the Yeongheung Ch'oe clan
Korean name
Hangul	정화공주
Hanja	貞和公主
Revised Romanization	Jeonghwa Gongju
McCune–Reischauer	Chŏnghwa Kongju

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).

Family

• Father: Yi Cha-ch'un (이자춘; 1315–1360) – son of Yi Ch'un and Lady Pak.
• Mother: Lady Ch'oe (최씨; 1304–?) – daughter of Ch'oe Han-gi and Lady Yi.
  • Brother: Yi Sŏng-gye (이성계; 1335–1408)
• Husband: Cho In-byŏk, Internal Prince Yongwon (조인벽 용원부원군; 1327–?) – son of Cho Ton and Lady Yi.
  • Adopted daughter: Lady Cho (조씨; 1340–?)
  • First daughter: Lady Cho (조씨; 1343–?) – married Hwang Kil-wŏn (황길원).
  • Second daughter: Lady Cho (조씨; 1345–?) – married Im Maeng-yang (임맹양).
  • First son: Cho Pu (조부; 1347–?)
  • Adopted son: Cho On, Internal Prince Hancheon (조온 한천부원군; 1347–1417) – married firstly with Lady Jang, then remarried again with Lady Bak.
  • Second son: Cho Paek (조백; 趙伯; 1365–?)
  • Third son: Cho Po (조보; 趙保; 1368–?)
  • Third daughter: Lady Cho (조씨; 1370–?)
  • Fourth son: Cho Hu (조후; 1372–?)
  • Fifth son: Cho Yŏn, Internal Prince Hanpyeong (조연 한평부원군; 1374–1429)^[5] – married Lady Kim.
  • Sixth son: Cho Sa (조사; 1378–1432)