Genesis 28:1-2, 8

So Isaac called Jacob and blessed him and charged him, and said to him, “You shall not marry one of the women of Canaan. Arise, go to Paddan-aram, to the house of Bethuel your mother’s father; and take from there as a wife for yourself one of the daughters of Laban your mother’s brother.

So Esau realized that [his two wives] the daughters of Canaan displeased Isaac his father