KJV:
Duke Magdiel, duke Iram: these be the dukes of Edom, according to their habitations in the land of their possession: he is Esau the father of the Edomites.
NASB:
chief Magdiel, chief Iram. These are the chiefs of Edom (that is, Esau, the father of the Edomites), according to their habitations in the land of their possession.