Cross reference
Genesis 26:33
33 And he called it Shibah. Therefore the name of the city is Beer-sheba unto this day.
Genesis 21:31
31 Wherefore he called that place Beer-sheba. Because there they sware both of them.
Genesis 26:28
28 And they said, We saw plainly that Jehovah was with thee. And we said, Let there now be an oath betwixt us, even betwixt us and thee, and let us make a covenant with thee,