Sotho-Tswana (S.32)Subgroup of 3 languagesAncestorsNiger-Congo 1554Atlantic-Congo 1454Volta-Congo 1382Benue-Congo 987Bantoid 701Southern 680Narrow Bantu 548Central 354S 25Sotho-Tswana (S.32)Birwa brl, a language of BotswanaSotho, Northern nso, a language of South AfricaTswapong two, a language of Botswana