SouthwesternSubgroup of 5 languagesAncestorsNiger-Congo 1554Atlantic-Congo 1454Volta-Congo 1382Benue-Congo 987Edoid 31SouthwesternEruwa erh, a language of NigeriaIsoko iso, a language of NigeriaOkpe oke, a language of NigeriaUrhobo urh, a language of NigeriaUvbie evh, a language of Nigeria