Treasury of Scripture Knowledge

Summary

In those days also saw I Jews that had married wives of Ashdod, of Ammon, and of Moab:

Bible References

Married

Nehemiah 10:30
and that we will not give our daughters [as wives] to the peoples of the land or take their daughters for our sons.
Ezra 9:2
For they have taken some of their daughters as wives for themselves and for their sons, so that the holy race has intermingled with the peoples of the lands. Indeed, the officials and chief men have been foremost in this unfaithful act and direct violation [of God’s will].”
Ezra 10:10
Then Ezra the priest stood up and said to them, “You have been unfaithful [to God] and have married foreign (pagan) women, adding to the guilt of Israel.
2 Corinthians 6:14
Do not be unequally bound together with unbelievers [do not make mismatched alliances with them, inconsistent with your faith]. For what partnership can righteousness have with lawlessness? Or what fellowship can light have with darkness?

Ammon

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,

General references

Exodus 34:16
and you might take some of his daughters for your sons, and his daughters would play the prostitute with their gods and cause your sons also to play the prostitute (commit apostasy) with their gods [that is, abandon the true God for man-made idols].
Deuteronomy 7:3
You shall not intermarry with them; you shall not give your daughter to his son, nor shall you take his daughter for your son;
Judges 3:6
and they took their daughters for themselves as wives and gave their own daughters to their sons, and served their [pagan] gods.