Karian-Usan-YabanSubgroup of 3 languagesAncestorsTrans-New Guinea 481Madang 107Croisilles 56Northern Adelbert 21Numugen 6Karian-Usan-YabanKarian bql, a language of Papua New GuineaUsan wnu, a language of Papua New GuineaYaben ybm, a language of Papua New Guinea