Cao Guojiu (曹國舅: meaning "Royal Uncle Cao") (Wade-Giles: "Ts'ao Kuo-ch'iu") is the newest (though not youngest) of the renowned Eight Immortal figures in Daoism. He is generally thought to have lived during the Song dynasty (960-1279 C.E.). As the brother of Empress Dowager Cao (曹太后: cáo tàihòu), he is the most aristocratic member of the Eight Immortals and can be seen to represent the feudal nobi