2 Samuel 10:2
And David said, I will be a friend to Hanun, the son of Nahash, as his father was a friend to me. So David sent his servants, to give him words of comfort on account of his father. And David's servants came into the land of the children of Ammon.
1 Samuel 11:1
Then about a month after this, Nahash the Ammonite came up and put his forces in position for attacking Jabesh-gilead: and all the men of Jabesh said to Nahash, Make an agreement with us and we will be your servants.
Deuteronomy 23:3-6
No Ammonite or Moabite or any of their people to the tenth generation may come into the meeting of the Lord's people:
1 Samuel 22:3-4
And from there David went to Mizpeh in the land of Moab: and he said to the king of Moab, Let my father and mother come and make their living-place with you till it is clear to me what God will do for me.
Nehemiah 4:3-7
Now Tobiah the Ammonite was by him, and he said, Such is their building that if a fox goes up it, their stone wall will be broken down.
Nehemiah 13:1-3
On that day there was a reading from the book of Moses in the hearing of the people; and they saw that it said in the book that no Ammonite or Moabite might ever come into the meeting of God;