The Sudanese kinship system also existed in ancient Latin-speaking[2] and Anglo-Saxon[3] cultures.
It exists today among present-day Arab, Turkish,[4] and Chinese cultures.
[6] Balkan kinships such as Bulgarian, Serbian, and Bosniak follow this system for different patrilinear and matrilinear uncles but collapse mother's sister and father's sister into the same term of "aunt" and Croatian and Macedonian further collapse the offspring of the uncles into one term.
An interesting feature is the presence of many unique words originating from Proto-Uralic and Germanic languages to describe affinal kinships such as, but not limited to, the brother of a spouse (lanko), mother-in-law (anoppi) or even the husband of a daughter (vävy).
On the opposite side, Chinese adds an additional dimension of relative age.