Yoyang Ja clan ( Korean: 요양 자씨; Hanja: 遼陽 慈氏) 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 [ ja] who was from Jingzhou in China. Ja Ho sang [ ja] died in the war against Mongolia in 1557. Ja Hong seon ( Hanja: 慈弘善), a son of Ja Ho sang [ ja], immigrated to Liaoyang. Then, Ja Hong seon ( Hanja: 慈弘善) immigrated to Kilju County with his sons named Ja Gyeong bo ( Hanja: 慈慶輔), Ja Sun jik ( Hanja: 慈順直), Ja Sun hui ( Hanja: 慈順熙), and Ja Gyeong jo ( Hanja: 慈慶祖) in order to avoid conflicts. Finally, Ja Hong seon ( Hanja: 慈弘善) founded Yoyang Ja clan and made Liaoyang their Bon-gwan where he used to live. ^[1]

• Korean clan names of foreign origin

• Doosan Encyclopedia 외래귀화성씨 外來歸化姓氏. Doosan Encyclopedia.