Genesis 21:31

RBT Translation:

Upon an upright has he called-out to the Standing-place of Himself Well-of-Seven for there they have sevened themselves their two.

RBT Paraphrase:
On account of an upright one, has he summoned to the Standing Place of Himself Well of Seven, for there they have sevened the two of themselves.

LITV Translation:
On account of this that place is called The Well of Sheba, because the two of them swore there.

ESV Translation:
Therefore that place was called Beersheba, because there both of them swore an oath.

Brenton Septuagint Translation:
Therefore he named the name of that place, The Well of the Oath, for there they both swore.