Junwang Bohai County: Shijia County in the Western Han Dynasty, which is equivalent to the area along the Bohai Bay in Hebei Province and Liaoning Province. Danyang County: The second year (121 years ago) of Emperor Hanwu of the Han Dynasty set up the county, which is equivalent to the Xuancheng area in Anhui Province today.
I. Origin of Surnames 1. In the Xia Dynasty , there was a princely state of Gan (in the southwest of Luoyang, Henan Province today). After the death of the monarch family, the monarch family scattered in various places. 2. During the Shang dynasty , Gaozong Wuding studied at Gan Pan , and later Wu Ding was the King of Shang, and then he used Gan Pan as his phase. The descendants of Gan Pan took the surname of their ancestor as their surname, and they became the Gan surname. 3, from the surname Ji . During the time of King Zhou Wu, the people of the same clan were the kings of the princes. Among them, those who were sealed in Gandhi were called Ganbo. There was Gan Boheng, and his descendants were also Gan. 4, after the son of Zhao Zhao in the Spring and Autumn Period.
The Old School: The Shang Dynasty's Gan Pan was the teacher of Shang Wang and was named "Old School".
Wuchengtang: During the Warring States Period, Qin Guogan Luo was sent to envoy Zhao Guo at the age of 12. Zhao Wangjiao welcomed. Through Gan Luo's diplomatic activities, Zhao Guo cut five cities to Qin, Qin Guo Feng Gan Luo as the top secretary, and gave his grandfather Gan Mao as the left prime minister Tian Tian to Gan Luo.