| Occupation | Military |
Li Jiancheng (Chinese: 李建成; pinyin: Lǐ Jiànchéng; 589 – July 2, 626, formally Crown Prince Yin (Chinese: 隱太子; pinyin: Yǐn Tàizǐ, literally, "the hidden crown prince"), nickname Vaishravana (Chinese: 毗沙門; pinyin: Píshāmén; Sanskrit: Vaiśravaṇa), was the first crown prince of the Chinese Tang Dynasty. He was the oldest son of the founding emperor Emperor Gaozu (Li Yuan) and the crown prince after the founding of the dynasty in 618 CE.
