Genesis 49:30
in the cave that [is] in the field of Machpelah that [is] before Mamre in the land of Canaan, which Abraham bought with the field from Ephron the Hittite as a burial site.
Genesis 23:8-9
And he spoke with them, saying, "{If you are willing} [that] I bury my dead from before me, hear me and intercede for me with Ephron the son of Zohar,
Genesis 23:16-18
Then Abraham listened to Ephron, and Abraham weighed for Ephron the silver that he had named in the hearing of the Hittites: four hundred shekels of silver {at the merchants' current rate}.
Genesis 23:20
And the field and the cave which [was] in it {passed} to Abraham as {a burial site} from the Hittites.