Bible Verses About Oaths: Confirming covenants

They said, “We saw plainly that the LORD was with you. We said, ‘Let there now be an oath between us, even between us and you, and let us make a covenant with you,

Now come, let us make a covenant, you and I; and let it be for a witness between me and you.”

The God of Abraham, and the God of Nahor, the God of their father, judge between us.” Then Jacob swore by the fear of his father, Isaac.

So Jonathan made a covenant with the house of David, saying, “The LORD will require it at the hand of David’s enemies.”

Jonathan caused David to swear again, for the love that he had to him; for he loved him as he loved his own soul.