My name is Guo, my grandfather is Manchu, my grandmother is a yellow flag, and my grandmother is a yellow flag. Does anyone know what our old surname is?

Mongolian Guoerluote lives in Chahar (now Zhangjiakou, Hebei, including part of Wulanchabu League, Xilin Gol League and part of Shanxi). If Manchu is the surname, Manchu is Gorlot.

Hala. After the mid-Qing Dynasty, many officials were surnamed Guo.