Cross reference
2 Kings 3:26
26 And when the king of Moab saw that the fight was going against him, he took with him seven hundred men armed with swords, with the idea of forcing a way through to the king of Aram, but they were not able to do so.
2 Kings 3:9
9 So the king of Israel went with the king of Judah and the king of Edom by a roundabout way for seven days: and there was no water for the army or for the beasts they had with them.
Amos 2:1
1 These are the words of the Lord: For three crimes of Moab, and for four, I will not let its fate be changed; because he had the bones of the king of Edom burned to dust.