Genesis 23:17-20
So the field of Ephron, which was in Machpelah, which was before Mamre, the field, the cave which was in it, and all the trees that were in the field, that were in all of its borders, were deededto Abraham for a possession in the presence of the children of Heth, before all who went in at the gate of his city.After this, Abraham buried Sarah his wife in the cave of the field of Machpelah before Mamre( that is, Hebron), in the land of Canaan.The field, and the cave that is in it, were deeded to Abraham by the children of Heth as a possession for a burial place.