Genesis 21:31-33

Darby Translation

³¹ Therefore he called that place Beer-sheba, because there they had sworn, both of them.

³² And they made a covenant at Beer-sheba. And Abimelech rose up, and Phichol the captain of his host, and returned into the land of the Philistines.

³³ And [Abraham] planted a tamarisk in Beer-sheba, and called there on the name of Jehovah, the Eternal God.