The Proto-North Nyanza homeland was in the northwestern shores of Lake Victoria (Modern Buganda) in the year 500AD.
[3][4] By 1100AD, the descendants of these people were speaking two different languages that had developed out of proto-North Nyanza: early (or pre-) Luganda and proto-South Kyoga.
Early Luganda was spoken by those who remained in the original North-Nyanza homeland (the coasts of Buganda) and to the south, west, and north of it.
Proto-South Kyoga was developed by those who migrated east across the Nile.
Proto-East Kyoga broke up into Gwere and Syan (Rushana) in the early 19th century[5] North Nyanza is divided into two branches, Luganda and South Kyoga, according to Rhiannon Stephens (Singa remains unclassified):[6]