The Lan () tribe was one of the five member tribes of the Xiongnu people who lived during the Han dynasty in Northern Wei.
History The Xiongnu people had five tribes: Luandi, Xubu, Huyan, Lan, and Qiulin. According to the Chinese assimilation policy of Xiaowen, the Xiongnu of Lan get the surname Lan (蘭). Their families are part of the Liu family of Han-Zhao.
See also
Lan (surname 兰)
References Book of the Later Han Records of the Grand Historian