五羖大夫

Explanation: Black ewe ram. Especially before the Spring and Autumn Yu Youxian doctor Baili Xi. 　　Source: "Records of the Historian Qin Ji," Chu said, is the people that 'I Maid Accompanying the Yan Chen Baili Xi, please ransom of five black ewe sheep. '... ... Duke Mu said to him, granted the state government, said early number' five black ewe doctor '. "