Genesis 21:23

Then they said, “We see plainly that Yahweh has been with you; so we said, ‘Let there now be an oath between us—between you and us—and let us cut a covenant with you,

Then he said, “Swear to me.” So he swore to him. Then Israel bowed in worship at the head of the bed.

“So now swear to me by Yahweh that you will not cut off my seed after me and that you will not destroy my name from my father’s household.”

and came to the fortified city of Tyre and to all the cities of the Hivites and of the Canaanites, and they went out to the south of Judah, to Beersheba.