1 Take the country as the surname. During the Warring States Period, Sun Wei, the son of Qi State, was sealed in Oracle bones, so his descendants took the country as their surname and called it bone.
2 from the surname won, and Zhao, Qin Tongzong. They are all descendants of the Chinese people, and when they reached Shun, they were given the surname of Won. The descendants of the Won family were the concubines sealed in Qin Valley by the King of Zhou, and later became Qin State and Gu State (in today's Gucheng, Hubei Province), the duke and Gu was the earl. During the Spring and Autumn Period, descendants of Guo began to take Guo as their surname.
3 changed other surnames. In the Northern Wei Dynasty, it was the compound surname of the north, and it was the Xianbei nationality. After entering the Central Plains, it was changed to a single surname Gu. Gu Luna, known as the "Nine Classics Bookstore" in the Tang Dynasty, was originally from Dongyi, and later her descendants changed their surname to Shangulu.