number of positions to his officials and officers including Yang An. Yang, who was the Supervisor of the Masters of Writing, was made Commissioner Bearing Credentials, Chief Controller of Yizhou and Liangzhou, and Inspector of Liangzhou. Campaigns in western China In 371, Yang An led a campaign into Chouchi. The Duke of Chouchi, Yang Cuan (楊纂) personally led his army against him with assistance from the Jin dynasty. However, Yang An greatly routed them, killing many of the enemy troops, so Cuan retreated. As Qin forces under Fu Ya (苻雅) approached the capital, Yang Cuan's uncle Yang Tong (楊統) led his followers to surrender. Yang Cuan followed suit and Chouchi was conquered. Yang An relocated the people to Guanzhong, leaving the region around Chouchi emptied as a result. Southern Qinzhou was added into his command and he stationed himself in Chouchi. In 373, the Jin general Yang Guang (楊廣) tried to conquer the region but was repelled by Yang An who then harassed the Han River. The same year, Fu Jian intended to conquer Yizhou and Liangzhou. Yang An was tasked in taking over Zitong Commandary, defended by its Administrator Zhou Xiao. Zhou Xiao defended hard but made the mistake of sending his wife and mother to Jiangling. They were intercepted by the Qin general Zhu Yong (朱肜), so Zhou Xiao, not wanting to risk their lives, quickly surrendered to Yang An. After the conquest, Yang An was appointed as Governor of Yizhou. The following year, a rebellion arouse in Shu, headed by Zhang Yu (張育) and Yang Guang (楊光). Zhang Yu's regime was supported by the Jin, who helped him defeat Yao Chang, but although he lasted long enough to declare himself King of Shu, his followers started turning on each other and the rebels were disorderly. Yang An, with the aid of Deng Qiang defeated Zhang Yu who fell back to Mianzhu. Yang An then routed Zhang Yu's subordinates Zhang Zhong (張重) and Yin Wan (楊光) south of Chengdu while Deng Qiang killed Zhang Yu and Yang Guang, putting an end to the revolt. Siege of Xiangyang Yang An would last appear in 378, holding the position of Inspector of Jingzhou. During Fu Jian's great siege of Xiangyang, Yang An and Deng Qiang attacked Fancheng. Yang An seemed to have died during or shortly after the campaign as nothing is recorded of him from this point on. His