Gatam: Grandson of Esau
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Genesis 36:11, 16
The sons of Eliphaz were Teman, Omar, Zepho, Gatam, and Kenaz. / Korah, Gatam, and Amalek. They are the chiefs of Eliphaz in the land of Edom, and they are the grandsons of Adah.
1 Chronicles 1:36
The sons of Eliphaz: Teman, Omar, Zepho, Gatam, and Kenaz; and by Timna, Amalek.