Koksan Han clan
The Koksan Han clan is a Korean clan. Their Bon-gwan is located in Koksan County, North Hwanghae Province. According to the research in 2015, the number of Koksan Han clan was 6266. Their founder was. He was one of Eight Scholars, and was dispatched from Song dynasty to Goryeo in 1206. After that, he was naturalized and served as munha sirang pyeongjangsa. He was appointed as Prince of Koksan. Finally, he began Koksan Han clan and made Koksan their Bon-gwan.