Commandery
Nanyang 南阳Ancestral Commandery
The Deng Clan of Nanyang: Founded by Duke Man
Main line: descended from the Man surname. A king of Shang enfeoffed his uncle with the State of Deng (Dengzhou, Henan); when the state fell, descendants took the state name as their surname.
Multiple origins: surname changes by ethnic minorities.
Root point: the ancient State of Deng in Dengzhou, Henan.
▸ Domestic migration: rose in the Central Plains; crossed south in the Wei–Jin era; entered Huguang, Guangdong and Fujian in the Tang and Song; in the Ming and Qing, the Huguang-to-Sichuan migration.
▸ Overseas branch: Hakka Deng sailed out from eastern Guangdong to Nanyang.