Genesis 49:30-32

30the cave in the field of Machpelah, near Mamre in Canaan, which Abraham bought along with the field as a burial place from Ephron the Hittite. 31There Abraham and his wife Sarah were buried, there Isaac and his wife Rebekah were buried, and there I buried Leah.

32The field and the cave in it were bought from the Hittites. Or the descendants of Heth ”