HillSubgroup of 7 languagesAncestorsNilo-Saharan 210Eastern Sudanic 97Nubian 12Central 10Satellite-Core 188Core 110Northern (k languages) 18HillCollapse All Expand AllKadaru-Ghulfan 2Ghulfan ghl, a language of SudanKadaru kdu, a language of SudanUnclassified 5Dilling dil, a language of SudanDair drb, a language of SudanEl Hugeirat elh, a language of SudanKarko kko, a language of SudanWali wll, a language of Sudan