Genesis 26:33-35 English Standard Version (ESV)

33. He called it Shibah; therefore the name of the city is Beersheba to this day.

34. When Esau was forty years old, he took Judith the daughter of Beeri the Hittite to be his wife, and Basemath the daughter of Elon the Hittite,

35. and they made life bitter for Isaac and Rebekah.

Genesis 26