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Kinship among the Swazi, Hilda Kuper Nyakyusa kinship, Monica Wilson kinship and marriage among the Lozi of northern Rhodesia and the Zulu of Natal, Max Gluckman kinship and marriage among the Tswana, I. Schapera some types of family structure amongst the central Bantu, A.I. Richards kinship and marriage among the Ashanti, M. Fortes double descent among the Yako, Daryll Forde dual descent in the Nuba hills, S.F. Nadel kinship and the local community among the Nuer, E.E. Evans-Prichard.
C. et al. (Tue,) studied this question.