해주 오씨 오
Haeju Oh
417,000
Population
황해도 해주시
Region
오인유 (吳仁裕)
Founder
History
The Haeju Oh clan originated with Oh In-yu, a meritorious subject who helped found the Goryeo Dynasty and received lands in Haeju. The clan is the largest Oh lineage in Korea and has a long tradition of producing scholars and government officials.