韩国
韩贞子，名须，是中国春秋时期晋国韩氏的领袖，韩宣子韩起之子。承袭父亲韩宣子担任韩氏的领袖，仕晋定公，率领韩氏迁居平阳。韩贞子死后，儿子韩简子韩不信继位。
Sadako Korea, were to be the Chinese Spring and Autumn Period leader Jin HAN, Han Xuanzai son from Korea. HAN inherited his father as leader of Han Xuanzai, Shi Jin Dinggong, led by Han's move to Binh Duong. Han Sadako's death, his son does not believe South Korea South Korea Jane son succeeded to the throne.