
Wei regent who lost power struggle to Sima Yi.
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Cao Shuang was appointed co-regent alongside Sima Yi for the young Emperor Cao Fang. He quickly marginalized Sima Yi, concentrating power in his own hands. His faction promoted Confucian reforms and centralized authority, but alienated many officials.
Sima Yi launched a coup while Cao Shuang accompanied Emperor Cao Fang to the Gaoping Tombs. Sima Yi seized control of Luoyang, accusing Cao Shuang of usurping power. Cao Shuang surrendered in exchange for promises of safety, but was later executed.
After surrendering, Cao Shuang and his entire faction were executed by Sima Yi on charges of treason. This purge eliminated the Cao family's political influence and solidified Sima Yi's control over Wei, paving the way for the Sima clan's eventual usurpation.
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