The origin of Xu's surname?

Xu is one of the surnames in China, and there are many versions of its origin. One theory is that Xu's family originated from Ji's surname in Shang Dynasty. Shang Tang, the monarch at that time, gave Ji Lie the title of Xu Bo, thus forming the surname Xu.

Another way of saying this is that Xu's surname originated from Ji's surname in the Zhou Dynasty. At that time, after the destruction of the Shang Dynasty, the son of Shang Zhou, the last monarch of the Shang Dynasty, was named Xu Bo, thus forming the surname Xu.

There is also a saying that Xu's surname originated in the Spring and Autumn Period. At that time, Yue Sheng, the monarch of the country, was created for his merits, and later generations took the title as their surname, forming the Xu family.

In short, the specific source of Xu's surname has not been verified, but what is certain is that Xu's surname is very common in the history of China, and it is a very old surname.