Mbum-DaySubgroup of 29 languagesAncestorsNiger-Congo 1554Atlantic-Congo 1454Volta-Congo 1382North 254Adamawa-Ubangi 157Adamawa 87Mbum-DayDescendants Bua 10 Day 1 Kim 3 Mbum 15 Eastern Mbum 5 Karang 4 Koh 1 Northern 6 Dama-Galke 3 Tupuri-Mambai 3 Southern 1 Unclassified 3