Deuteronomy 23:3
An Ammonite or Moabite shall not enter into the congregation of the LORD; even to their tenth generation shall they not enter into the congregation of the LORD for ever,
Nehemiah 13:1-2
On that day they read in the book of Moses in the audience of the people; and it was found written therein that the Ammonites and the Moabites should not come into the congregation of God forever
Ruth 4:6
And the redeemer said, I cannot redeem it for myself lest I ruin my own inheritance; redeem thou; I cede my right to you, for I shall not be able to redeem it.
Ruth 4:10-22
Moreover, I also take Ruth, the Moabitess, the wife of Mahlon, as my wife, to raise up the name of the dead upon his inheritance that the name of the dead not be cut off from among his brethren and from the gate of his place. Ye shall be witnesses of this today.
Nehemiah 4:3
Now Tobiah, the Ammonite, was by him, and he said, Even that which they build, if a fox were to go up it, he would break down their stone wall.
Nehemiah 4:7
And it came to pass when Sanballat and Tobiah and the Arabians and the Ammonites and the Ashdodites heard that the walls of Jerusalem were sound and that the breaches began to be stopped, then they were very wroth
Nehemiah 13:23
In those days I also saw Jews that had married wives of Ashdod, of Ammon, and of Moab;
Isaiah 56:3
Neither let the son of the stranger that has joined himself to the LORD speak, saying, The LORD shall utterly separate me from his people: nor let the eunuch say, Behold, I am a dry tree.