Guo Fang was the second son of Guo Rui and brother of Guo Shuang. He was one year younger than his sibling. Upon Guo Rui's death, he was exiled by his brother, and sent to the Bian Province. However, after his brother tried to destroy the Jin Dynasty, many of his follwers joined Fang. Fang then created the Eastern Jin Dynasty, directly opposed to Guo Shuang. Shuang was eventually assasinated. Fang tried to merge the dyansties back together, but Guo Yi kept the war going. He did not see the war end.