Nuclear CordilleranSubgroup of 12 languagesAncestorsAustronesian 1256Malayo-Polynesian 1234Northern Luzon 54Meso-Cordilleran 35South-Central Cordilleran 33Central Cordilleran 26North Central Cordilleran 25Nuclear CordilleranDescendants Balangaw 1 Bontok-Kankanay 7 Bontok 5 Kankanay 2 Ifugaw 4