Hanam Jeong clan

Henan Jeong clan is one of the Korean clans. Their Bon-gwan is in Henan, China. According to the research held in 2000, the number of Henan Jeong clan’s member was 7766. Their founder was Jeong U who worked as Minister of the Guards in Yuan dynasty during Toghon Temür’s reign. Jeong U entered Goryeo as a fatherly master with Kong Shao and 20 or more people when Princess Noguk had an marriage to an Goryeo royalty, later King Gongmin of Goryeo. Jeong U worked as In-palace equerry censors during Chungjeong of Goryeo’s reign, granted High Merit Minister  in 1352 and became Prince of Hansan. Jeong U’s descendant founded Henan Jeong clan and made Henan, Henan Jeong clan’s Bon-gwan.