Genesis 6:2, 3
the sons of God saw that the daughters of men were beautiful, and they took as wives whomever they chose. . . .

Exodus 34:15, 16
Do not make a covenant with the inhabitants of the land, for when they prostitute themselves to their gods and sacrifice to them, they will invite you, and you will eat their sacrifices; . . .

Joshua 23:12, 13
For if you turn away and cling to the rest of these nations that remain among you, and if you intermarry and associate with them, . . .

Judges 3:6, 7
And they took the daughters of these people in marriage, gave their own daughters to their sons, and served their gods. . . .

1 Kings 11:2
These women were from the nations about which the LORD had told the Israelites, "You must not intermarry with them, for surely they will turn your hearts after their gods." Yet Solomon clung to these women in love.

Ezra 9:1, 2
After these things had been accomplished, the leaders approached me and said: "The people of Israel, including the priests and Levites, have not kept themselves separate from the surrounding peoples whose abominations are like those of the Canaanites, Hittites, Perizzites, Jebusites, Ammonites, Moabites, Egyptians, and Amorites. . . .

Nehemiah 13:23-27
In those days I also saw Jews who had married women from Ashdod, Ammon, and Moab. . . .

2 Corinthians 6:14-17
Do not be unequally yoked with unbelievers. For what partnership can righteousness have with wickedness? Or what fellowship does light have with darkness? . . .