Marquis Ai of Cai (è¡åÂÂ侯) (died 675 BC), born Jë Xiànwà(姫çÂȏÂÂ), was the thirteenth ruler of the State of Cai from 695 BC to 675 BC. He was the only known son of Marquis Huan of Cai (è¡æ¡Â侯), his predecessor. His reign was a period of 20 years. In the autumn of 684 BC, King Wen of Chu conquered the State of Cai and took the reigning Marquis as a prisoner of war. But King Wen of Chu restored the state after Marquis Ai praised Madam Xë (æ¯妫). He was succeeded by his son.