The Sondlo family share largely common ancestry with (many of the) people whose surnames are Ntshinka, Mangquku, Ndarala, Lilane, Mkondweni, Nzwane, Qwelane, Ngqukuvana, Mentyisi, Ndayi, Nodumo, Mbalula, Tabata, Mbala, Ndonga, Blani, Matho, Dyamdeki, Mabuyane, Matebese, Cetywayo, Ndyumbu, Juwele, Tukani, Bomali, Selani, Kwaza, Ndyaluvane, etc.
This is Page 299 of History of South Africa, 1795-1834, by George McCall Theal(Gardners Books, 2007). [click to enlarge]