Genesis 21:32 in the King James Version
Thus they made a covenant at Beer-sheba: then Abimelech rose up, and Phichol the chief captain of his host, and they returned into the land of the Philistines.
Context
31 Therefore he called that place Beersheba, because they both swore an oath there.
32 So they made a covenant at Beersheba. Abimelech rose up with Phicol, the captain of his army, and they returned into the land of the Philistines.
33 Abraham planted a tamarisk tree in Beersheba, and there he called on the name of the LORD, the Everlasting God.