What is the origin of the surname Tang?

After the surname Qi and Ji, and the surname Xuanyuan of Huangdi. According to legend, Emperor Yao is the great-grandson of the Yellow Emperor Xuanyuan. His surname is Qi Yi and his first name is Fang Yun. Yao is his posthumous title. He was first sealed in Tao and later moved to Tang, so he was called the history of Tao and Tang. When he became emperor, he began to take "Tang" as his country name, so he was also called. /kloc-Yao became the emperor's queen in 0/00 and gave it to Shun. After Yao's death, Shun named his son Dan Zhu as Tang Hou (now Tang County, Hebei Province).

When he arrived in Zhou Wuwang, the rebellion in the Tang Dynasty was wiped out by the king, and the land in the Tang Dynasty was replaced by the king's younger brother Tang Shuyu. It turns out that all descendants of Emperor Yao moved to Du, which is called Tang Du's family. Later generations of Tang and Du Dynasties took the country as their surname, which was called Tang's.

In the Tang Dynasty (Yicheng), the name of the play was, followed by the State of Jin, and the 26th generation passed on the offering of Jin wine. In B366, the "Three Tribes Divided into Jin" was driven to Duanshi, stayed there and was killed, and was driven out by Zhao. The descendants also took the country as their surname, and later changed their surname to Tang.

At the same time, during the reign of King Zhao of Zhou, he was named Tang Hou in the county, and was later destroyed by Chu, and his descendants were also named Tang.

In the Spring and Autumn Period, another vassal state was called Tang, which was later destroyed, and later generations also called Tang.

There is also the compound surname Tangshan, and the surname of Northern Tang Dynasty was changed to surnamed tang. The above five Down's families all originated from Xuanyuan.

Later, foreigners joined the Tang family.