 After at least 18 different protector generals, of whose names only 10 of their names are known, the post was abandoned, by the time of Wang Mang's Xin dynasty in 23 CE.In 74 CE, Emperor Ming of Han and his successor awarded the position (now with administrative obligations as well) to general Chen Mu.From 83 CE and the appointment of Ban Chao, the Protector-General was known as the Chief Official of the Western Regions.