Yin Mountains
Murong Tuyuhun was the older brother of the Former Yan's ancestor Murong Hui and elder son of the Chanyu Murong Shegui (慕容涉歸) of the Murong Xianbei who took his people from their original settlements on the Liaodong Peninsula to the region of the Yin Mountains, crossing the Yellow River between 307 and 313, and into the eastern region of modern Qinghai.