Geng takes the country as his surname. After the establishment of the Zhou Dynasty, the country perished. Zhou once again named Geng with the same surname, and re-established Geng as Ji surname. In the Spring and Autumn Period, Geng was destroyed, and the descendants of Geng Shi fled to other countries, taking the country as their surname and Geng Shi as their name. Later, Geng was named Zhao rewelding, and the descendants of Zhao were also surnamed Geng.

Migration and distribution of Geng Shi;

Geng Shi is a multi-ethnic and multi-source surname group, ranking118th in the current surname list, with a population of about1156,000, accounting for 0.073% of the total population of China.

Geng gradually dispersed in Henan, Hebei, Jiangsu, Shanxi, Shaanxi and other places. During the Western Han Dynasty, people named Geng began to appear, among which Geng Shouchang was the most famous. He was named as the Hou of the Pass, and his descendants stayed in Chang 'an. In addition, there are Geng Yu, Geng Feng, Geng Chang and Yang Pin in history.