Commandery
Runan 汝南Ancestral Commandery
The Enduring Legacy of Runan: Descendants of the Zhou House
Main lineage: From the Ji surname, descendants of the royal house of Zhou; after the Zhou dynasty fell, many royal descendants took the dynasty's name as their surname; others arrived through surname changes.
A clan of many sources: Several distinct lines converged into the clan.
Root point: Runan, Henan.
▸ Internal migration: Early on in the Central Plains; the Wei–Jin migration took it to Jiangnan; the Tang and Song to Fujian and Guangdong; the Ming and Qing saw the Hongtong migration and the filling of Sichuan from Huguang.
▸ Overseas branches: Zhous of southern Fujian, Chaoshan, and the Hakka went to the Nanyang in search of livelihoods.