List of Famous people with last name Jachun
Yi Jachun
Hwanjo of Joseon, personal name Yi Ja-chun, Mongolian name Ulus Bukha (吾魯思不花), was a minor military officer of the Yuan Empire, who later transferred his allegiance to Goryeo. He was the father of Yi Seong-gye, the founder of the Joseon Dynasty of Korea. He was given the temple name Hwanjo by his grandson, King Taejong.
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