And he called it Shebah: therefore the name of the city [is] Beersheba unto this day.
Referenced Verses
Gen 21:31 : 31 Wherefore he called that place Beersheba; because there they sware both of them.
Gen 26:28 : 28 And they said, We saw certainly that the LORD was with thee: and we said, Let there be now an oath betwixt us, [even] betwixt us and thee, and let us make a covenant with thee;