Genesis 26:35

And they will be bitterness of spirit to Isaak and to Rebekah.

Genesis 6:2

And the sons of God will see the daughters of Adam that they are good, and they will take to them wives of all which they chose.

Genesis 27:46-2

And Rebekah will say to Isaak, I was finished in my life from the face of the daughters of Heth: if Jacob took a wife from the daughters of Heth, as these from the daughters of the land, for what to me life?

Genesis 28:8

And Esau will see that the daughters of Canaan are evil in the eyes of Isaak 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
And the sons of God will see the daughters of Adam that they are good, and they will take to them wives of all which they chose.
Genesis 27:46
And Rebekah will say to Isaak, I was finished in my life from the face of the daughters of Heth: if Jacob took a wife from the daughters of Heth, as these from the daughters of the land, for what to me life?
Genesis 28:1
And Isaak will call to Jacob, and will bless him, and will command him, and will say to him, Thou shalt not take a wife from the daughters of Canaan.

General references

Genesis 34:9
And contract ye marriages with us; ye shall give your daughters to us, and ye shall take our daughters to you.