Assur also is joined with them: they have holpen the children of Lot. Selah. Asser also is joined - The Ammonites might have got those auxiliaries from beyond the Euphrates, against Jehosphaphat, as formerly they were brought against David. See 2 Samuel 10:16.
They have holpen the children of Lot - The Ammonites, who appear to have been the chief instigators in this war.