Genesis 21:31
King James Version
“Wherefore he called that place Beer-sheba; because there they sware both of them.”
Context
28And Abraham set seven ewe lambs of the flock by themselves.
29And Abimelech said unto Abraham, What these seven ewe lambs which thou hast set by themselves?
30And he said, For seven ewe lambs shalt thou take of my hand, that they may be a witness unto me, that I have digged this well.
31Wherefore he called that place Beer-sheba; because there they sware both of them.
32Thus 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.
33And planted a grove in Beer-sheba, and called there on the name of the LORD, the everlasting God.
34And Abraham sojourned in the Philistines’ land many days.