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Li Sizhi

Li Cong
Prince of Huichang Commandry 許昌郡王
Reign 710–712
Prince of Tan 郯王
Reign 712–716
Prince of Qing 慶王
Reign 716–752
Minister over the Masses
Reign 736
Died 752
Spouse Princess Dou (posthumously honored Empress Gongyin 恭應皇后)
Full name
Li Sizhi 李嗣直
Li Tan 李潭
Li Cong 李琮
Posthumous name
Crown Prince Jingde 靖德太子
Emperor Fengtian 奉天皇帝
Father Emperor Xuanzong of Tang
Mother Consort Liu
Full name
Li Sizhi 李嗣直
Li Tan 李潭
Li Cong 李琮
Posthumous name
Crown Prince Jingde 靖德太子
Emperor Fengtian 奉天皇帝

Li Cong (李琮) (died 752), né Li Sizhi (李嗣直), known as Li Tan (李潭) from 725 to 736, posthumously honored Crown Prince Jingde (靖德太子) and then Emperor Fengtian (奉天皇帝, literally, "the emperor who submitted to Heaven"), was an imperial prince of the Chinese dynasty Tang Dynasty. He was the oldest son of Emperor Xuanzong but, despite that status, was never made crown prince, bypassed in favor of his younger brothers Li Ying and Li Heng (the later Emperor Suzong). After Li Heng became emperor, he posthumously honored Li Cong as an emperor.

It is not known when Li Sizhi was born, but it is known that he was the oldest son of Li Longji, then the Prince of Linzi under Li Longji's uncle Emperor Zhongzong. His mother Consort Liu, who would eventually receive the imperial consort rank of Huafei (華妃), the third highest rank for imperial consorts, later bore two more sons for Emperor Xuanzong, Li Wan (李琬) the Prince of Rong (né Li Sixuan (李嗣玄)) and Li Sui (李璲) the Prince of Yi (né Li Wei (李濰)). In 710, after Li Longji's father Li Dan became emperor (as Emperor Ruizong), Li Longji was created crown prince, and his sons were created princes. Li Sizhi was created the Prince of Xuchang.

In 712, Emperor Ruizong yielded the throne to Li Longji, who took the throne as Emperor Xuanzong. Li Sizhi's title was upgraded to Prince of Tan. In 715, however, he was bypassed for the crown prince position when his younger brother Li Siqian the Prince of Ying was selected, as Li Siqian's mother Consort Zhao was then Emperor Xuanzong's favorite concubine. In 716, Li Sizhi was made the Protectorate General to Pacify the West and received the title of "Comforter of the Non-Han of the Hedong [(modern Shanxi)], Guannei [(i.e., Guanzhong)], and Longyou [(modern eastern Gansu)] Regions" (安撫河東關內隴右諸蕃大使, Anfu Hedong Guannei Longyou Zhufan Dashi), although there was no evidence that he actually left the capital Chang'an.


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