[1][2] In 567 BC, the fifteenth year of Duke Ling's reign, the State of Lai attacked Qi but was decisively defeated.
The Qi army counterattacked, killed the Lai ruler Duke Gong, and conquered the entire state.
[1][2][4] Duke Ling's main wife was Yan Yi Ji, a princess of the State of Lu, who had no son.
[1][2] In 554 BC, the 28th year of his reign, Duke Ling fell ill and died in the fifth month.
The powerful minister Cui Zhu installed Guang, the original crown prince, on the throne, to be known as Duke Zhuang II of Qi.