Commandery
Jinyang 晋阳Ancestral Commandery
The Tang Clan of Jinyang: Lineage of Emperor Yao
Main line: one branch descends from the Qi surname — Emperor Yao was enfeoffed at Tang, and his descendants took Tang as their surname; another branch descends from the Ji-surname State of Tang.
Multiple origins: several lines converged, including surname changes by ethnic minorities.
Root point: Jinyang, Shanxi.
▸ Domestic migration: rose in Shanxi; crossed south in the Wei–Jin era; spread through Jiangnan and Huguang in the Tang and Song; entered Sichuan, Fujian and Guangdong in the Ming and Qing.
▸ Overseas branch: Hakka and Minnan Tang sailed out to Nanyang.