Yi Ch'un

Not to be confused with the Chinese prefecture city Yichun, Jiangxi or Yichun, Heilongjiang.

In this Korean name, the family name is Yi.

Yi Ch'un (died 24 July 1342) or known for his Mongolian name Bayan Temür (Mongolian script: Баян төмөр; Pai-yen tö-mör) was the grandfather of Yi Seong-gye, founder of the Joseon Dynasty.

Yi Ch'un 이춘 李椿
King of Joseon (posthumously)
Born	Yi Ch'un (이춘) Goryeo
Died	24 July 1342 Goryeo
Burial	Uireung tomb
Spouse	Queen Gyeongsun Lady Jo
Issue	5 sons and 3 daughters
Names Childhood name: Yi Seon-rae (이선래, 李善來) Mongolian name: Bayan Temür (바얀테무르, 孛顔帖木兒) Posthumous name First: King Do (도왕, 度王; given in 1392 by King Taejo) Last: King Gongui Seongdo the Great (공의성도대왕, 恭毅聖度大王; given in 1411 by King Taejong) Temple name Dojo (도조, 度祖; sometimes spelled Takjo (탁조) due to Hanja resemble)
House	Yi
Father	Yi Haengni
Mother	Lady, of the Yeongheung Choe clan

From Yuan dynasty, he replaced his father, Yi Haeng-ni (이행리) as a Cheonho (천호; 千戶). He later married Lady Munju Bak (문주 박씨; the future Queen Gyeongsun) and had 2 sons, they were: Yi Ja-heung (이자흥) and Yi Ja-chun (이자춘), the biological father of Yi Seong-gye. After Bak's death, Yi remarried again with Lady Jo (조씨), the daughter of Jo Yang-gi (조양기). In 28 July 1392, his grandson, Yi Seong-gye founded the Joseon Dynasty and he posthumously honoured his grandfather as King Gonguiseongdo the Great (공의성도대왕; 恭毅聖度大王) and gave him the temple name Dojo (도조; 度祖). He was buried in Uireung, Hamheung-si, Hamgyeongnam-do and his wife was buried in Sulleung, Heungnam-si, Hamgyeongnam-do.

Family

• Father: Yi Haengni (이행리)
  • Grandfather: Yi Ansa (이안사)
  • Grandmother: Queen Hyogong of the Pyeonchang Yi clan (효공왕후 이씨)
• Mother: Queen Jeongsuk of the Yeongheung Choi clan (정숙왕후 최씨)
  • Grandfather: Choi Gi-yeol, Prince Anbyeon (최기열 안변군)
• Wives and their Children(s):

1. Queen Gyeongsun of the Munju Bak clan (경순왕후 박씨)
   1. Yi Ja-heung, Grand Prince Wanchang (이자흥 완창대군)
   2. Yi Ja-chun (이자춘)
   3. Yi Ja-seon, Grand Prince Wanwon (이자선 완원대군; 1331–1356)
   4. Yi Pyeong, Grand Prince Wancheon (이평 완천대군)
   5. Yi Jong, Grand Prince Wanseong (이종 완성대군; 1320–1385)
   6. Princess Munhye (문혜공주) – married Mun In-yeong (문인영).
   7. Princess Munsuk (문숙공주) – married Gim Ma-bun (김마분).
   8. Princess Munui (문의공주) – married Heo-Jung (허중).
2. Lady, of the Hanyan Jo clan (한양 조씨); daughter of Jo Yang-gi (조양기).
   1. Yi Wanjabulhwa (이완자불화)
   2. Yi Nan-hae (이나해)