Insightful write-up by Conrad Mbewe, in Lusaka, Zambia:
In Africa, south of the Sahara, we have a system that is foreign to the social life of people in the West. It is popularly known as the extended family system. It goes something like this. My biological father’s brothers are also my fathers and my biological mother’s sisters are also my mothers. If your mind has processed that, let me add a little more. The wives of my biological father’s brothers are my mothers and the husbands of my biological mother’s sisters are my fathers.
Read more here: Adoption, Orphanages, and the African Extended Family System