David also defeated Hadadezer son of Rehob, king of Zobah, who went to restore his control at the Euphrates River.

from Edom, Moab, the Ammonites, the Philistines, the Amalekites, and the spoil of Hadadezer son of Rehob, king of Zobah.

When the Ammonites realized they had become repulsive to David, they hired 20,000 foot soldiers from the Arameans of Beth-rehob and Zobah, 1,000 men from the king of Maacah, and 12,000 men from Tob.

The Ammonites marched out and lined up in battle formation at the entrance to the city gate while the Arameans of Zobah and Rehob and the men of Tob and Maacah were in the field by themselves.