[1] Speakers of various East Chadic languages are locally known as Hadjarai peoples.

[4] The branches of East Chadic go either by names or by letters and numbers in an outline format.

Within East Chadic B, he treats the Mubi group (B.1.2) as the first primary branching, with all the rest forming a subgroup divided between Dangla (B.1.1) in the north and Barain plus Sokoro (B.3 and B.4) in the south.

East Chadic A is distributed primarily in Tandjilé and neighbouring regions.

East Chadic B is distributed primarily in Guéra and neighbouring regions.