Cross reference
Genesis 26:35
35 and they are a bitterness of spirit to Isaac and to Rebekah.
Genesis 27:46-2
46 And Rebekah saith unto Isaac, `I have been disgusted with my life because of the presence of the daughters of Heth; if Jacob take a wife of the daughters of Heth, like these -- from the daughters of the land -- why do I live?'
1 And Isaac calleth unto Jacob, and blesseth him, and commandeth him, and saith to him, `Thou dost not take a wife of the daughters of Caanan;
2 rise, go to Padan-Aram, to the house of Bethuel, thy mother's father, and take for thyself from thence a wife, of the daughters of Laban, thy mother's brother;
Genesis 6:2
2 and sons of God see the daughters of men that they `are' fair, and they take to themselves women of all whom they have chosen.
Genesis 28:8
8 and Esau seeth that the daughters of Canaan are evil in the eyes of Isaac his father,