Haeju Oh clan
|Haeju Oh clan|
|Founder||Oh In yu|
|Connected members||O Yun-gyeom|
Haeju Oh clan (Korean: 해주 오씨; Hanja: 海州 吳氏) is a Korean clan. Their Bon-gwan is in Haeju, Hwanghae Province. As of 2000[update], the clan has a membership of 422735. Their founder was Oh In yu, who came from China during the Seongjong of Goryeo period.