The ruling family had the clan name of Jiang (姜),[2] and the noble rank of baron (男).

In 576 BC, Duke Ling of Xu was afraid of Zheng's aggression and requested to move to Chu.

In 533 BC, Duke Dao of Xu moved to Chengfu, in modern Anhui Province.

In 506 BC, Si, Baron of Xu moved to Rongcheng (in modern Lushan County, Henan).

In 504 BC, the state of Zheng onset of action Xu, hold Baron Si.