Tian Huaijian
Tian Huaijian was a general of the Chinese Tang dynasty, who, in his childhood, briefly served as the ruler of Weibo Circuit, which had been held by his family for generations. The soldiers soon overthrew him and replaced him with his distant relative Tian Xing, and he was delivered to the Tang capital Chang'an.
Background
Tian Huaijian was born in 802, during the reign of Emperor Dezong. Prior to his birth, his family had held Weibo Circuit for generations, ruling it in a de facto independent manner from the imperial regime, with his great-grandfather Tian Chengsi, Tian Chengsi's nephew Tian Yue, Tian Huaijian's grandfather Tian Xu, and father Tian Ji'an successively serving as the military governors of Weibo. His mother was Tian Ji'an's wife Lady Yuan, a daughter of the general Yuan Yi. He had least three brothers - Tian Huaili, Tian Huaixun, and Tian Huairang, with the Old Book of Tang implying that he was older than his brothers and the New Book of Tang implying that he was younger than his brothers.In 812, Tian Ji'an fell ill, and it was said that in his illness, he killed his subordinates at will, and the headquarters fell into chaos. Lady Yuan summoned the officers and had them support Tian Huaijian as deputy military governor, acting as military governor. Tian Ji'an was moved out of the headquarters into a separate residence, and he died a month later, on September 21, 812.