Source : CEDICT

the Five Hegemons of the Spring and Autumn period (770-476 BC), namely: Duke Huan of Qi 齊桓公|齐桓公, Duke Wen of Jin 晉文公|晋文公, King Zhuang of Chu 楚莊王|楚庄王, and alternatively Duke Xiang of Song 宋襄公 and Duke Mu of Qin 楚莊王|楚庄王 or King Helu of Wu 吳王闔閭|吴王阖闾 and King Gou Jian of Yue 越王勾踐|越王勾践

Source : CEDICT

the Five Hegemons of the Spring and Autumn period (770-476 BC), namely: Duke Huan of Qi 齊桓公|齐桓公, Duke Wen of Jin 晉文公|晋文公, King Zhuang of Chu 楚莊王|楚庄王, and alternatively Duke Xiang of Song 宋襄公 and Duke Mu of Qin 楚莊王|楚庄王 or King Helu of Wu 吳王闔閭|吴王阖闾 and King Gou Jian of Yue 越王勾踐|越王勾践