Format of naming convention in English is under discussion at Wikipedia talk:Naming conventions (Chinese) and Wikipedia talk:Naming conventions (Chinese)/monarchical titles.
The Jin Dynasty (晉 pinyin j?n, 265-420) followed the Three Kingdoms and preceded the Southern and Northern Dynasties in China.
Meanwhile remnants of the Jin court fled from the north to the south and reestablished the Jin court at Jiankang, which was located south-eastward of Luoyang and Chang'an and near modern-day Nanjing, under Prince of Longya.
Battle of Fei turned out to be a victory of Jin under a short-lived cooperation of Huan Chong, brother of Huan Wen and the Prime Minister (or Imperial Secretariat) Xie An.
During the twelve and more years of power struggle at the court of the Jin Dynasty, the normal agrarian population was afflicted by distress, calamities and hunger.
The increasing drive of conquest and the rebellions of the Non-Chinese population in the north against the Jin Dynasty lead to an enourmous exodus of Chinese peasants, landowners, and aristocrats to the south, especially into the lower Yangtse area.
In 318, Sima Rui continued the rule of the Jin Dynasty as new emperor from the south (posthumous Jin Yuandi æå å¸ - see titles of emperors), from the old Wu å³ capital Jianye å»ºæ¥ (or Jiankang 建康; modern Nanjing).