For the Xia Dynasty, Shun Yao's surname was Kunwu Guguo, and Guo was the surname.

There is a record in the classic Ode to a Poet Merchant: "Wei Gu has been cut, Kunwu Xia Jie." There is a record in the history book Biography: "There is a country, and there are worries.

Gu and Kunwu are both surnames. "

According to the historical records Yuan He Shi Dian and Tang Shu Prime Minister Genealogy Table, Emperor Zhuan Xu had a great-grandson named Ng Wui, who was the brother of Huo Zhengzhu and Zhu Rong.

Lu Zhong, his son, married Wan, the daughter of Ghost Fang, and gave birth to six sons. The eldest son was named Fan, given his surname, and was sealed in Kunwu country (now Xuchang, Henan Province), and his descendants were Kunwu.

During the Xia Dynasty, the descendants of Kunwu were sealed in an ancient country (now Fanxian County, Henan Province), which was said by history to be one of the important allies of the Xia Dynasty.

In Yuanhe County Records in the Tang Dynasty, Taiping Yuhuan in the Song Dynasty and some early genealogies of Gu's family, it was recorded that Gu Cheng was in the east of Fan County in Henan Province today, and in the famous historical document Zuo Zhuan's twenty-one years of mourning for the public in the Eastern Zhou Dynasty, it was recorded that in three years (473 BC), Qi Hou and Zai Gu.

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In terms of surnames, they are descendants of Zhuan Xu the Great, the grandson of Huangdi III, and Gou Jian, the king of Yue.

At the beginning of the Han Dynasty, Sun Yao, the descendant of Gou Jian, the King of Yue, was named Dongyi (now Yongjia, Zhejiang) for helping the princes to destroy Qin. Later, Yao also betrothed his son to Huiji, called Gu.

Later, Gu's descendants took the family name "Gu" of their fiefs as their surname, forming a Gu family with the title of their ancestors as their surname, which was called authentic in history.

According to historical records such as "Words and deeds of famous people" and "Gu's genealogy", Dayu was buried in Huiji after his death, and his son Qi built an ancestral temple on the mountain to worship.

Shao Kang, the Xia emperor, later sealed Yu Yu's sacrifice in Huiji, and established Yue State in Huiji (now Shaoxing, Zhejiang).

Later generations took the country as their surname and called it Yue.

Gu is considered as one of the ancestors of the Gu family, and he became the originator of the Gu family in the south.

During the Three Kingdoms period, Wu Dong's famous Gu Yong was his descendant.

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From South Gu and North Gu, these two Gu surnames, one originated in the north and the other originated in the south, and later generations called them "South Gu" and "North Gu".

Today, when people surnamed Gu talk about their origins, they still say "looking south" and "looking north".

After Gu's surname, "North Gu" did not develop as well as "South Gu", and South Gu soon became the most popular surname in Huiji (now Wuxian, Suzhou). During the Han, Wei and Six Dynasties, they were called Huiji four surnames together with Lu, Zhu and Zhang.

Because Gu's surname mainly originated from and grew up in Huiji, Huiji became one of the counties with Gu's name.

Later, the Gu family moved to Wuling (now Wuling West, Suzhou) and developed rapidly, so Wuling became another county of Gu family.