Sere-Ngbaka-MbaSubgroup of 27 languagesAncestorsNiger-Congo 1554Atlantic-Congo 1454Volta-Congo 1382North 254Adamawa-Ubangi 157Ubangi 70Sere-Ngbaka-MbaDescendants Ngbaka-Mba 18 Mba 4 Ngbaka 14 Eastern 3 Mayogo-Bangba 2 Mundu 1 Western 11 Baka-Gundi 4 Bwaka 2 Gbanzili 2 Monzombo 3 Sere 9 Feroge-Mangaya 2 Indri-Togoyo 2 Sere-Bviri 5 Bai-Viri 2 Ndogo-Sere 3