Regardless, by the mid-15th century CE, the Iwellemmedan controlled an area from Lake Faguibine and north of Timbuktu east through all of what is now the Gao Region of Mali, into the Nigerien Azawagh all the way to the edge of the Aïr Massif.
It varies little from the southern languages of Ayr, Azawagh or Adagh, with the differences mostly being substitution of sounds, for instance Tamahaq instead of Tamajaq or Tamasheq.