Wukui, the son of the elder Wey Ji, prevailed at first, but was killed three months later and replaced by Duke Xiao.
[1][2] Duke Yì reigned for four years before being killed by Bing Chu (邴歜) and Yan Zhi (閻職) in 609 BC.
The ministers of Qi deposed Duke Yì's son and installed his brother Prince Yuan, who was then exiled in the State of Wey, on the throne.
Qi general Wangzi Chengfu (王子城父) defeated the invaders and killed their leader Rongru (榮如).
After Duke Hui's death the powerful Gao and Guo clans of Qi expelled Cui, who fled to the State of Wey.