Gaena-KorafeSubgroup of 2 languagesAncestorsTrans-New Guinea 481Greater Binanderean 13Binanderean 12Nuclear Binanderean 9South Binanderean 8Coastal Binanderean 5Gaena-KorafeGaina gcn, a language of Papua New GuineaKorafe-Yegha kpr, a language of Papua New Guinea