Genesis 24:3

3that I may make you swear by the Lord, the God of heaven and God of the earth, that ayou will not take a wife for my son from the daughters of the Canaanites, among whom I dwell,

Genesis 26:34-35

34When Esau was forty years old, he took bJudith the daughter of Beeri the Hittite to be his wife, and Basemath the daughter of Elon the Hittite, 35and cthey made life bitter
Hebrew  they were bitterness of spirit
for Isaac and Rebekah.

Genesis 28:1

Jacob Sent to Laban

1Then Isaac called Jacob eand blessed him and directed him, f“You must not take a wife from the Canaanite women.
Copyright information for ESV