Genesis 49:30
in the cave in the field at Machpelah, east of Mamre, in the land of Canaan, that Abraham bought, along with the field from Ephron the Hittite, to possess as a burial site.
Genesis 23:8-9
And Abraham said to them, “If you are willing to grant my dead a [proper] burial, listen to me, and plead with Ephron the son of Zohar for me,
Genesis 23:16-18
So Abraham listened to Ephron [and agreed to his terms]; and he weighed out for Ephron the [amount of] silver which 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 in it were deeded over to Abraham by the Hittites as a [permanent] possession and burial place.