Cao Jian (died December 225 or January 226) was a prince in the state of Cao Wei in the Three Kingdoms period of China. He was a son of Cao Pi, the first emperor of Wei. His mother, whose maiden family name was Zhu (朱), was a concubine of Cao Pi holding the rank of shuyuan (淑媛; translated "Decent Concubine").(文皇帝九男： ... 朱淑媛生東武陽懷王鑒， ...) Sanguozhi vol. 20. He was enfeoffed as the Prince of Dongwuyang (東武陽王) in August or September 225, but died some months later in December 225 or January 226. In 235, he was given the posthumous title "Prince Huai" (懷王). His princedom was abolished because he had no son to inherit it.(東武陽懷王鑒，黃初六年立。其年薨。青龍三年賜謚。無子。國除。) Sanguozhi vol. 20.
See also Cao Wei family trees#Ladies Pan, Zhu, and Qiu Lists of people of the Three Kingdoms
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References
Chen, Shou (3rd century). Records of the Three Kingdoms (Sanguozhi).