Two of the official languages are West Germanic languages (English and Afrikaans). The other nine languages are Bantu languages. Four of the Bantu languages are part of the Nguni family (Zulu, Xhosa, Swati, Ndebele). Three of the Bantu languages are Sotho-Tswana languages (Northern Sotho, Southern Sotho, Setswana). Tsonga is a Tswa-Ronga language. South Africa also has a national sign languae, South African Sign Language.