 8th century BCE Assyrian inscriptions place the Qedarites as living in the area to the east of the western border of Babylon . Moving further east into areas of the Transjordan and southern Syria in the 7th century BCE , by the 5th century BCE they had spread into the Sinai and as far as the Nile Delta . Qedarite domination of northwest Arabia involved <unk> between the kings of Qedar and the kings of Dedan ( <unk> ) . Historian Israel <unk> <unk> writes that the " breadth of Qedarite distribution suggests a federation of tribes with various sub @-@ divisions . " 
