2Sam 8.3 David smote also Hadadezer, the son of Rehob, king of Zobah, as he went to recover his border at the river Euphrates.
2Sam 10.8-18 And the children of Ammon came out, and put the battle in array at the entering in of the gate: and the Syrians of Zoba, and of Rehob, and Ishtob, and Maacah, were by themselves in the field.