Cao Song (died 193), courtesy nameJugao, was an official who lived during the Eastern Han dynasty of China. He was the foster son of the eunuchCao Teng and the father of the warlord Cao Cao, who rose to prominence in the final years of Eastern Han and laid the foundation of the state of Cao Wei in the Three Kingdoms period. Cao Song was posthumously honoured as "Emperor Tai" ("Grand Emperor") by his grandson Cao Pi in 220 when the latter ended the Han dynasty and founded the Cao Wei regime.
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