Huan Shu of Quwo (Chinese: 曲沃桓叔; pinyin: Qūwò Huán Shū; lit.
'Uncle Huan of Quwo'; 802–731 BC), personal name Ji Chengshi, was the first ruler of the Quwo (曲沃) state, a fief of the Jin state.
[1] He was also uncle of Marquis Zhao of Jin, who granted him the land of Quwo.
He was said to be a benevolent ruler beloved by the people of Quwo.
However, Huan Shu was defeated by Jin troops and retreated to Quwo.