 They were largely replaced by the kashian hunter tribe during Bantu migrations who hailed from the Great Lakes regions of eastern and central Africa.Evidence of agriculture and iron use dates from about the 4th century and people speaking languages ancestral to current Sotho and Nguni languages began settling no later than the 11th century.The Swazi settlers, then known as "the Ngwane" (or "bakaNgwane"), before entering Swaziland had been settled on the banks of the Pongola River and prior to that in the area of the Tembe River near present-day Maputo.