Kwangchon Tong clan is one of the Korean clans. Their Bon-gwan was in Hebei, China. According to the research held in 2000, the number of the Kwangchon Tong clan was 4130. Their founder was who was a 43rd descendant of Dong Zhongshu in Han dynasty. He was naturalized in Korea during Goryeo period and contributed to founding the kingdom of Korea.[1] [2] [3]
ja:金光林 (歴史学者)
. 2014 . A Comparison of the Korean and Japanese Approaches to Foreign Family Names . Journal of Cultural Interaction in East Asia . 5 . . 21.