Yoyang Ja clan

Yoyang Ja clan was one of the Korean clans. Their Bon-gwan was in Liaoyang, Liaoning, China. According to the research in 2000, the number of Yoyang Ja clan was 85. Their founder was Ja Ho sang who was from Jingzhou in China. Ja Ho sang died in the war against Mongolia in 1557. Ja Hong seon, a son of Ja Ho sang, immigrated to Liaoyang. Then, Ja Hong seon immigrated to Kilju County with his sons named Ja Gyeong bo, Ja Sun jik , Ja Sun hui , and Ja Gyeong jo  in order to avoid conflicts. Finally, Ja Hong seon founded Yoyang Ja clan and made Liaoyang their Bon-gwan where he used to live.