The Ngwane makes part of a group called amaNguni which also consists of the Xhosa. My assumptions and research makes me believe that there possibly was a conflict for power of amaNgwane which led into the nation being divided into two groups, amaNgwane led by Mswati and amaNgwane that we know to have later been led by Ngwadi.
Dec 03, 2013 · Iziduko nezithakazelo nezinqulo zamaXhosa – Xhosa Clan Names. Xhosa clan names ( isiduko (sing.), iziduko (pl.) in Xhosa) are family names which are considered more important than surnames among Xhosa people . Much like the clan system of Scotland, each Xhosa person can trace their family history back to a specific male ancestor or stock.