Deuteronomy 23:3

No Ammonite or Moabite may enter the Lord’s assembly; none of their descendants, even to the tenth generation, may ever enter the Lord’s assembly.

Nehemiah 13:1-2

At that time the book of Moses was read publicly to the people. The command was found written in it that no Ammonite or Moabite should ever enter the assembly of God,

Ruth 4:6

The redeemer replied, “I can’t redeem it myself, or I will ruin my own inheritance. Take my right of redemption, because I can’t redeem it.”

I will also acquire Ruth the Moabitess, Mahlon’s widow, as my wife, to perpetuate the deceased man’s name on his property, so that his name will not disappear among his relatives or from the gate of his home. You are witnesses today.”

Nehemiah 4:3

Then Tobiah the Ammonite, who was beside him, said, “Indeed, even if a fox climbed up what they are building, he would break down their stone wall!”

Nehemiah 4:7

When Sanballat, Tobiah, and the Arabs, Ammonites, and Ashdodites heard that the repair to the walls of Jerusalem was progressing and that the gaps were being closed, they became furious.

Nehemiah 13:23

In those days I also saw Jews who had married women from Ashdod, Ammon, and Moab.

Isaiah 56:3

No foreigner who has joined himself to the Lord
should say,
“The Lord will exclude me from His people”;
and the eunuch should not say,
“Look, I am a dried-up tree.”

Treasury of Scripture Knowledge

Summary

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:

Ammonite

Nehemiah 4:3

Nehemiah 13:1

Isaiah 56:3

Bible References

Ammonite

Then Tobiah the Ammonite, who was beside him, said, “Indeed, even if a fox climbed up what they are building, he would break down their stone wall!”

At that time the book of Moses was read publicly to the people. The command was found written in it that no Ammonite or Moabite should ever enter the assembly of God,

No foreigner who has joined himself to the Lord
should say,
“The Lord will exclude me from His people”;
and the eunuch should not say,
“Look, I am a dried-up tree.”