 During the Northern Wei period in the 6th century, Anchi/Anzhi (安迟) was the Xianbei surname of Uyghur people (回鶻人) a division of the Hui people; they later reduced the surname to An (安).During the Tang Dynasty in the 8th century, the An (安) family name was used among the Xueyantuo (薛延陀) people.During the Qing Dynasty, Ardan (阿爾丹) the Daur people (達斡爾族) were given the surname An (安) with the Ar dialect.