Yiziphi izilimi ezakha ingxenye yomndeni wezilimi zesiNguni?
['isiXhosa, isiZulu, isiNdebele (ezinye izikhathi kuthiwa "IsiNdebele sasenyakatho"), kanye neSiswati']
What languages are part of the Nguni language family?
['Xhosa, Zulu, Ndebele (sometimes referred to as "Northern Ndebele"), and Swati']