Marquis Ai of Jin Ancestral name is Ji(姬), given name is Guang (光), was the fifteenth ruler of the state of Jin. He was also the fifth ruler of Jin in the Spring and Autumn Period. He reigned for nine years.

In 710 BC, the eighth year of his reign, Marquis Ai of Jin attacked a small state south of Jin called Xingting (陘廷). The next year, Xingting, allied with Duke Wu of Quwo

Duke Wu of Jin

Duke Wu of Jin ,Ancestral name is Ji,Given name is Cheng and formerly known as Duke Wu of Quwo , was the eighteenth ruler of the state of Jin. He was also the eighth ruler of Jin in the Spring and Autumn Period...

, sacked Yi (翼), the capital of Jin. After getting his half-uncle, Han Wan

Wuzi of Han (Spring and Autumn)

Wuzi of Han , ancestral name Jì , clan name Hán , given name Wàn , and posthumously known as Wuzi of Han, was the head of the House of Han...

, to kill an escaping Marquis Ai of Jin, The Zhou king ensured that Ai's son, Marquis Xiaozi of Jin

Marquis Xiaozi of Jin

Marquis Xiaozi of Jin , ancestral name is Ji, given name is unknown, was the sixteenth ruler of the state of Jin. He was also the sixth ruler of Jin in the Spring and Autumn Period. He reigned for four years....

, became the next ruler of Jin.