Question: Who is the paternal grandfather of Tuoba Heru?
Sentence (from "Tuoba Yituo"): the chieftain of the Tuoba (a branch of the Xianbei) divided the territory under Tuoba control into three areas:
in 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; a central area, which included north Shanxi and the region to its north.
Relevant evidence: No