Cross reference
Genesis 26:33
33 And he gave it the name of Shibah: so the name of that town is Beer-sheba to this day.
Genesis 21:31
31 So he gave that place the name Beer-sheba, because there the two of them had given their oaths.
Genesis 26:28
28 And they said, We saw clearly that the Lord was with you: so we said, Let there be an oath between us and you, and let us make an agreement with you;