Yi Ch'un

Yi Ch'un (died August 25, 1342 ) or known for his Mongolian name Bayan Temür (Mongolian script: Баян төмөр; Pai-yen tö-mör) was the grandfather of Yi Sŏng-gye, founder of the Joseon Dynasty.

From Yuan dynasty, he replaced his father, Yi Haeng-ni as a chiliarch. He later married Lady Pak of the Munju Pak clan (문주 박씨; the future Queen Gyeongsun) and had 2 sons, they were: Yi Cha-hŭng and Yi Cha-ch'un, the biological father of Yi Sŏng-gye. After Pak's death, Yi remarried again with Lady Cho, the daughter of Cho Yang-gi. In 5 August 1392, his grandson, Yi Sŏng-gye founded the Joseon Dynasty and he posthumously honoured his grandfather as King Gonguiseongdo the Great  and gave him the temple name Dojo. He was buried in Uireung, Hamheung-si, Hamgyeongnam-do and his wife was buried in Sulleung, Heungnam-si, Hamgyeongnam-do.

Family

 * Father: Yi Haeng-ni
 * Grandfather: Yi An-sa
 * Grandmother: Queen Hyogong of the Pyeonchang Yi clan
 * Mother: Queen Jeongsuk of the Yeongheung Ch'oe clan
 * Grandfather: Ch'oe Ki-yŏl, Prince Anbyeon
 * Wives and their Children(s):
 * 1) Queen Gyeongsun of the Munju Pak clan
 * 2) Yi Cha-hŭng, Grand Prince Wanchang
 * 3) Yi Cha-ch'un
 * 4) Yi Cha-sŏn, Grand Prince Wanwon (이자선 완원대군; 1331–1356)
 * 5) Yi Pyŏng, Grand Prince Wancheon
 * 6) Yi Chong, Grand Prince Wanseong (이종 완성대군; 1320–1385)
 * 7) Princess Munhye – married Mun In-yŏng.
 * 8) Princess Munsuk – married Kim Ma-bun.
 * 9) Princess Munui – married Hŏ Chung.
 * 10) Lady, of the Hanyang Cho clan ; daughter of Cho Yang-gi.
 * 11) Yi Wanjabulhwa
 * 12) Yi Nan-hae