Korah, Gatam, and Amalek. They are the chiefs of Eliphaz in the land of Edom, and they are the grandsons of Adah.
Jewish Publication Society of America Version (JPS1917) - Genesis 36:16 >the chief of Korah, the chief of Gatam, the chief of Amalek. These are the chiefs that came of Eliphaz in the land of Edom. These are the sons of Adah.