Thematic Bible: Not to make unholy connections for them

And Isaac called Jacob, and blessed him, and charged him, and said to him, Thou shalt not take a wife of the daughters of Canaan. Arise, go to Padan-Aram, to the house of Bethuel thy mother's father, and take a wife thence of the daughters of Laban thy mother's brother.

And Abraham was old, and advanced in age; and Jehovah had blessed Abraham in all things. And Abraham said to his servant, the eldest of his house, who ruled over all that he had, Put thy hand, I pray thee, under my thigh, and I will make thee swear by Jehovah, the God of the heavens and the God of the earth, that thou take not a wife for my son of the daughters of the Canaanites, among whom I am dwelling; read more.
but thou shalt go to my land and to my kindred, and take a wife for my son Isaac.