the Five Hegemons of the Spring and Autumn period (770-476 BC), namely: Duke Huan of Qi 齐桓公qíhuángōng, Duke Wen of Jin 晋文公jìnwéngōng, King Zhuang of Chu 楚庄王chǔzhuāngwáng, and alternatively Duke Xiang of Song 宋襄公sòngxiānggōng and Duke Mu of Qin 秦穆公qínmùgōng or King Helu of Wu 吴王阖闾wúwánghélǘ and King Gou Jian of Yue 越王勾践yuèwánggōujiàn