In 295, Tuoba Luguan the chieftain of the Tuoba (a branch of the Xianbei) divided the territory under Tuoba control into three areas: a vast tract of land extending west from White Mountain (northeast of Zhangjiakou), to Dai (Datong, Shanxi); an area from Shengle (south of Hohhot) and beyond; and a central area, which included north Shanxi and the region to its north. Tuoba Yilu would be named chieftain of the western area.
In 295, Tuoba Luguan divided his territory into three distinct sections: one encompassing land west of White Mountain (northeast of Zhangjiakou), another extending from Shengle south of Hohhot and beyond, and a central area including north Shanxi and its northern regions. Tuoba Yilu was designated leader of the western region.