Genesis 26:35
Who were bitterness of spirit unto Isaac and to Rebekah.
Genesis 6:2
that the sons of God saw that the daughters of men were fair, and they took for themselves wives of all whom they chose.
Genesis 27:46-2
And Rebekah said to Isaac, I am weary of my life because of the daughters of Heth. If Jacob takes a wife of the daughters of Heth, such as these who are of the daughters of this land, why should I want to live?
Genesis 28:8
and Esau, seeing that the daughters of Canaan did not please Isaac his father,
Treasury of Scripture Knowledge
Summary
Which were a grief of mind unto Isaac and to Rebekah.
General references
Bible References
Which
Genesis 6:2
that the sons of God saw that the daughters of men were fair, and they took for themselves wives of all whom they chose.
Genesis 27:46
And Rebekah said to Isaac, I am weary of my life because of the daughters of Heth. If Jacob takes a wife of the daughters of Heth, such as these who are of the daughters of this land, why should I want to live?
Genesis 28:1
Then Isaac called Jacob and blessed him and charged him, saying, Thou shalt not take a wife of the daughters of Canaan.
General references
Genesis 34:9
And make ye marriages with us and give your daughters unto us and take our daughters unto you.