Commandery
Taiyuan 太原 · Fenyang 汾阳Ancestral Commandery
The Legacy of Fenyang: Heirs of the State of Guo
Main lineage: From the Ji surname. Descendants of King Wen of Zhou were enfeoffed at the state of Guo; "Guo" and "Guo" sounded alike in antiquity, and after the state fell its people changed their surname to Guo.
A clan of many sources: Includes the assimilation of ethnic-minority surnames.
Root points: The ancient Guo lands in Shanxi; Fenyang, Shanxi.
▸ Internal migration: The clan arose in Shanxi; the Wei–Jin migration took it to Jiangnan; the Tang and Song brought it into Fujian and Guangdong; the Ming and Qing saw the Hongtong migration and the filling of Sichuan from Huguang.
▸ Overseas branches: Guos of southern Fujian and Chaoshan went to the Nanyang.