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

Genesis 19:14
So Lot went out and spoke to the sons-in-law who were pledged in marriage to his daughters. "Get up, " he said. "Get out of this place, for the LORD is about to destroy the city!" But his sons-in-law thought he was joking.

Genesis 24:3
and I will have you swear by the LORD, the God of heaven and the God of earth, that you will not take a wife for my son from the daughters of the Canaanites among whom I am dwelling,

Genesis 26:34, 35
When Esau was forty years old, he took as his wives Judith daughter of Beeri the Hittite and Basemath daughter of Elon the Hittite. . . .

Genesis 27:46
Then Rebekah said to Isaac, "I am weary of my life because of these Hittite women. If Jacob takes a Hittite wife from among them, what good is my life?"

Deuteronomy 7:3
Do not intermarry with them. Do not give your daughters to their sons or take their daughters for your sons,