Bible Verses About Oaths: Binding to performance of any particular act

That I may make thee swear by the Lord, the God of heaven and earth, that thou take not a wife for my son, of the daughters of the Chanaanites, among whom I dwell:

But that thou go to my own country and kindred, and take a wife from thence for my son Isaac.

And he died, being a hundred and ten years old. And being embalmed, he was laid in a coffin in Egypt.

Now, therefore, swear ye to me by the Lord, that as I have shewed mercy to you, so you also will shew mercy to my father's house: and give me a true token.