of Fuhan Commandery (枹罕, roughly modern Linxia, Gansu). By the time that Sui fell and was replaced by Tang dynasty, however, he was back in Chang'an, and he served as a mid-level official early in the reign of Emperor Gaozu of Tang. He died early in Emperor Gaozu's reign (618-626), but the exact year is not known. References Chen dynasty imperial princes Sui dynasty politicians Tang dynasty politicians from Jiangsu 7th-century deaths Politicians from Nanjing Year of birth unknown