What is qingxu?

Some articles on qingxu:

Li Baochen - During The Anshi Rebellion
... as the emperor of a new Yan state by his son An Qingxu, An Zhongzhi continued to serve under An Qingxu, who made him the prefect of Heng Prefecture ... His service of An Qingxu lasted until 757, when Tang forces put An Qingxu under siege in Yecheng ...
Shi Siming - During Anshi Rebellion - Under An Qingxu's Rule
... In spring 757, An Lushan was killed by his son An Qingxu, who succeeded to the Yan throne ... The news of An Lushan's death then arrived, and An Qingxu further ordered Shi to return to Fanyang to guard it, leaving Cai at Taiyuan to watch Li Guangbi ... An Qingxu also made Shi the military governor of Fanyang and created him the Prince of Guichuan ...
An Qingxu - Under An Lushan's Rule
... headquartered in modern Beijing), An Qingxu was apparently with his father and accompanied his father south ... In response to An Lushan's rebellion, An Qingxu's mother Lady Kang and older brother An Qingzong (安慶宗), then at Chang'an, were executed, and after An Lushan captured Chenliu Commandery ... himself emperor of a new state of Yan at Luoyang, he created An Qingxu the Prince of Jin ...
An Lushan - Rebellion - Death
... letting An Qing'en be his crown prince, instead of An Qingxu, who was otherwise considered in order to receive that honor ... An Qingxu often feared that An Lushan would put him to death this fear drove him to assassinate An Lushan ... night of 29 January 757, with Yan and An Qingxu watching outside, Li Zhu'er took a sword into the palace and attacked An Lushan An Lushan tried to fight back, but could not locate a sword that he put under ...
An Qingxu
... An Qingxu (安慶緒) (died April 10, 759), né An Renzhi (安仁執), was a son of An Lushan, a general of the Chinese Tang Dynasty who rebelled and took imperial ... An Qingxu serves as the Prince of Jin from 756 - 757, and later killed his father and took imperial title for himself ... After An Lushan's general Shi Siming lifted the siege, An Qingxu met Shi to thank him, and Shi arrested and executed him ...