Da liang zao
Da Liang Zao, the highest rank of Qin's bureaucracy, had supreme political and military power. It's a title of nobility as well. Also known as Da Shang Zao. The function of Da Liang Zao was replaced by "Xiang Guo" after King Huiwen of Qin, left it as a name of nobility only. It was inherited by Han dynasty
