So hee called it Shibah: therefore the name of the citie is called Beer-sheba vnto this day.
Referenced Verses
Gen 21:31 : 31 Wherefore the place is called Beer-sheba, because there they both sware.
Gen 26:28 : 28 Who answered, Wee sawe certainely that the Lorde was with thee, and wee thought thus, Let there be nowe an othe betweene vs, euen betweene vs and thee, and let vs make a couenant with thee.