[李建成, Lǐ Jiàn chéngㄌㄧˇ ㄐㄧㄢˋ ㄔㄥˊ] Li Jiancheng (589-626), eldest son of first Tang emperor Li Yuan 唐高祖李淵|唐高祖李渊, murdered by his brother 李世民 in the Xuanwu Gate coup 玄武門之變|玄武门之变; Professor Li Jiancheng (1993-), geophysicist and specialist in satellite geodesy, See Also: 唐高祖李淵, 唐高祖李渊, 李世民, 玄武門之變, 玄武门之变#58543