Wiki information Jachun:

Yi Jachun
Deceased Person, Family member, Person

Yi Ja-chun was a minor military officer of the Yuan Dynasty and the father of Yi Seong-gye, the founder of the Joseon Dynasty. He was given the temple name Hwanjo by Taejong. Yi Ja-chun was a mingghan of the Yuan Dynasty in Shuangcheng, but his...