Deuteronomy 23:3

An Ammonite or Moabite shall not enter the assembly of the Lord; none of their descendants, even to the tenth generation, shall ever enter the assembly of the Lord,

Nehemiah 13:1-2

On that day they read aloud from the book of Moses so that the people could hear [its words], and in it was found written that no Ammonite or Moabite could ever enter the assembly of God,

Ruth 4:6

The closest relative (redeemer) said, “I cannot redeem it for myself, because [by marrying a Moabitess] I would jeopardize my own inheritance. Take my right of redemption (purchase) yourself, because I cannot redeem it.”

Ruth 4:10-22

I have also acquired Ruth the Moabitess, the widow of Mahlon, to be my wife to restore the name of the deceased to his inheritance, so that the name of the deceased will not be cut off from his brothers or from the gate of his birthplace. You are witnesses today.”

Nehemiah 4:3

Now Tobiah the Ammonite was beside him, and he said, “Even what they are building—if a fox should get up on it, he would break down their stone wall.”

Nehemiah 4:7

But when Sanballat, Tobiah, the Arabs, the Ammonites, and the Ashdodites heard that the repair of the walls of Jerusalem went on, and that the breaches were being closed, they were very angry.

Nehemiah 13:23

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

Isaiah 56:3


Do not let the foreigner who has joined himself to the Lord say,
“The Lord will most certainly separate me from His people.”
And do not let the eunuch say, “Look, I am a dry tree.”

Treasury of Scripture Knowledge

Summary

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:

Bible References

Ammonite

Nehemiah 4:3
Now Tobiah the Ammonite was beside him, and he said, “Even what they are building—if a fox should get up on it, he would break down their stone wall.”
Nehemiah 13:1
On that day they read aloud from the book of Moses so that the people could hear [its words], and in it was found written that no Ammonite or Moabite could ever enter the assembly of God,
Isaiah 56:3

Do not let the foreigner who has joined himself to the Lord say,
“The Lord will most certainly separate me from His people.”
And do not let the eunuch say, “Look, I am a dry tree.”