Deuteronomy 23:6
Never seek peace or try to help the Ammonites or the Moabites as long as you live.
Ezra 9:12
Do not give your daughters to their sons or take their daughters for your sons or do anything for their peace or well being for a very long time. That way you may be strong, living on the good of the land, and handing it on to your children for a heritage for as long as they live.
2 Samuel 8:2
He defeated the Moabites. He made the prisoners lie down on the ground and put two out of every three of them to death. So the Moabites became his subjects and paid taxes to him.
2 Samuel 12:31
David made the people of Rabbah tear down the city walls with iron picks and axes. He also put them to work making bricks. He did the same thing with all the other Ammonite cities. David went back to Jerusalem. The people of Israel returned to their homes.
Nehemiah 13:23-25
I saw the Jews who were married to women of Ashdod and Ammon and Moab: