 Some refugees from the north China might have found residence in south China depending on their social status and military power in the north.The rump Jin state or the Southern dynasties vied against some elite Chinese from the Central Plain and south of the Yangtze River.Zhejiang, as the heartland of the Jiangnan (Yangtze River Delta), remained the wealthiest area during the Six Dynasties (220 or 222–589), Sui, and Tang.