Genesis 49:30
in the cave that is in the field at Machpelah, to the east of Mamre, in the land of Canaan, which Abraham bought with the field from Ephron the Hittite to possess as a burying place.
Genesis 23:8-9
And he said to them, "If you are willing that I should bury my dead out of my sight, hear me and entreat for me Ephron the son of Zohar,
Genesis 23:16-18
Abraham listened to Ephron, and Abraham weighed out for Ephron the silver that he had named in the hearing of the Hittites, four hundred shekels of silver, according to the weights current among the merchants.
Genesis 23:20
The field and the cave that is in it were made over to Abraham as property for a burying place by the Hittites.