David also attacked King Hadadezer, Rehob's son from Zobah, when he was attempting to restore his hegemony over the Euphrates River.

including from Edom, Moab, the Ammonites, the Philistines, Amalek, and spoil from King Hadadezer, Rehob's son from Zobah.

When the Ammonites realized that they had created quite a stink with David, they hired 20,000 Aramean mercenaries from Beth-rehob and Zobah, along with the king of Maacah and 1,000 men, and 12,000 men from Tob.

The Ammonites went out in battle formation at the entrance to the city gate, while the Arameans from Zobah and Rehob, along with the army from Tob and Maacah, were out by themselves in the open fields.