Nehemiah 13:23
In those days I also saw Jews who had married women from Ashdod, Ammon, and Moab.
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 9:1-2
When these things were completed, the officials came to me and said, “The people of Israel and the priests and Levites have not separated themselves from the peoples of the lands, but have committed the repulsive acts of the Canaanites, Hittites, Perizzites, Jebusites, Ammonites, Moabites, Egyptians, and Amorites.
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.
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
1 Samuel 5:1
Then the Philistines took the ark of God, and they brought it from Ebenezer to
Ezra 9:11-12
which You have commanded by Your servants the prophets, saying, ‘The land which you are entering to possess is a defiled land with the uncleanness of the peoples of the lands, through their repulsive acts which have filled it from one end to the other along with their impurity.
Ezra 10:44
All these had married foreign women, and some of them had wives by whom they had children.
Nehemiah 4:7
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?