Pyeonghae O clan

Pyeonghae O clan was one of the Korean clans. Their Bon-gwan was in Uljin County, North Gyeongsang Province. According to the research in 1985, the number of Pyeonghae O clan was 1264. Their founder was O Geuk jung. O Geuk jung was a descendant of O Hyeon bo who served as a Tong Zhongshu Menxia Pingzhangshi. O Hyeon bo was a 24th descendant of O Cheom  who came over from China to Silla during Jijeung of Silla’s reign in Silla dynasty.