Cao Jian (曹鉴, Tào Giám; d. 225), Prince Ai of Zan (酇哀王), was an imperial prince of Cao Wei during the Three Kingdoms era, son of Emperor Wen (Cao Pi) and Consort Zhu (朱淑媛).
Ennobled as Marquis of Zan in 221 following Cao Pi’s imperial coronation, Cao Jian was elevated to the rank of Prince of Zan in 225 with substantial royal fief revenues. However, he fell severely ill and died later that same year without issue, plunging Cao Pi into deep paternal sorrow.
Role in History (Sanguozhi)
Records of the Three Kingdoms (Sanguozhi, vol. 20, Biographies of Princes of Wei): “Cao Jian, Prince Ai of Zan, died in the sixth year of Huangchu without heirs; his princely fief was returned to the imperial fisc.”
Cao Jian — Historical & Literary Timeline
Three Kingdoms (Wei)
Imperial Birth
Born in Xuchang to Cao Pi and Consort Zhu.
221
Marquis of Zan
Ennobled as an imperial marquis in the new Wei dynasty.
225
Prince of Zan
Elevated to Prince of Zan by imperial decree.
225
Untimely Demise
Passes away young; posthumously honored as Prince Ai (哀王 — Lamented Prince).
Key Relationships
Family
- Father Cao Pi (曹丕, Tào Phi – Emperor Wen of Wei): Founding emperor of Cao Wei.
- Mother Consort Zhu (朱淑媛): Honored imperial concubine in Cao Pi’s inner palace.
- Brother Cao Rui (曹叡, Tào Duệ): Elder brother who succeeded to the imperial throne as Emperor Ming.
Friends
- Imperial Kinsmen Princes of the Cao house: Shared princely education in the capital.
Enemies
- Illness & Mortality Premature sickness: Ended his life in youth.
Other
- Imperial Scribes Court heralds of Luoyang: Recorded his funerary honors.
In Sanguozhi
"The early departure of Prince Ai of Zan left the emperor in mourning, granting him royal honors in the ancestral mausoleum."
Historical Context
Cao Pi instituted strict regulations preventing imperial princes from holding territorial military commands, keeping princes like Cao Jian confined to court life.
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