
 Abusua is the name in Akan culture for a group of people that share a common maternal ancestor. The Abusua line is considered to be passed through the mother`s blood(Mogya). There are several Abusua which transcend the different ethnic subgroups. People of the same Abusua share a common ancestor somewhere within their bloodline which may go back ....
Found on 
http://en.wikipedia.org/wiki/Abusua

The family in Akan society
Found on 
https://www.photius.com/countries/ghana/glossary/index.html
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