| Empress Dowager Cao | |||||
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| Empress dowager of Later Tang Dynasty | |||||
| Tenure | 923–925 | ||||
| Born | 854 | ||||
| Died | 3 August 925 (aged 70–71) | ||||
| Spouse | Li Keyong | ||||
| Issue |
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Empress Dowager Cao (曹太后, personal name unknown) (died 3 August 925[1][2]), formally, Empress Zhenjian (貞簡皇后, "virtuous and humble"), was a concubine to the late Tang dynasty warlord Li Keyong. She was the mother of his son, Li Cunxu, who went on to establish the Later Tang dynasty as its Emperor Zhuangzong. After the establishment of Later Tang, she was honored as empress dowager.