Complex sentence: Part of the former territory had been the "Daralari" in the north and north east whose inhabitants are called "ki butana" (people of the white children) and "ki itana" (people of the black children).
Split into simpler sentences: Part of the former territory in the north and north east had been "Daralari". Its inhabitants are called "ki butana" (people of the white children) and "ki itana" (people of the black children).