Zhangsun Sheng

Zhangsun Sheng or Zhangsun Cheng (Chinese: 長孫晟; pinyin: Zhǎngsūn Chéng; 552—609), courtesy nameJicheng (季晟), posthumous nameDuke Xian of Qi (齊獻公), was a Chinese statesman, diplomat and general of Xianbei ethnicity of the Sui dynasty. He was the Sui dynasty's chief strategist on Göktürk policy. He was described as "intelligent and quick-witted, had some knowledge of clerical work, was skilled in pellet shooting and archery, and was exceptionally agile". He was posthumously given the noble title Duke of Qi (齊國公) and the posthumous name Xian (獻) by the Tang dynasty.