hasCountryOfOrigin Botswana South Africa Southern African Birwa 35500 birw1238 brl Birwa 22°10'S, 28°20'E -22.17, 28.33 A Southern African population with a population size of 35500 Bobirwa https://glottolog.org/resource/languoid/id/birw1238.bigmap.html http://www-01.sil.org/iso639-3/documentation.asp?id=brl https://glottolog.org/resource/languoid/id/birw1238 Northern Sotho language https://www.peoplegroups.org/explore/GroupDetails.aspx?peid=15649 Babirwa https://www.101lasttribes.com/tribes/birwa.html https://en.wikipedia.org/wiki/Northern_Sotho_language#Other_varieties_of_Northern_Sotho https://en.wikipedia.org/wiki/Bobirwa https://www.peoplegroups.org/explore/GroupDetails.aspx?peid=15215