Duke Korah, duke Gatam, and duke Amalek: these are the dukes that came of Eliphaz in the land of Edom; these were the sons of Adah.

Duke Core, duke Gatham, duke Amalech: these are the sons of Eliphaz, in the land of Edom, and these the Bone of Ada.

Duke Korah, duke Gatam, and duke Amalek: these are the dukes, descendants of Eliphaz, in the land of Edom: these were the sons of Adah.

Korah, Gatam, Amalek: all these were chiefs in the land of Edom, the offspring of Eliphaz, the seed of Adah.

leader Korah, leader Gatam, leader Amalek. These are the sons of Eliphaz, in the land of Edom, and these the sons of Adah.

Dux Corah, dux Gahatham, dux Hamalex: isti sunt duces Eliphaz in terra Edom: isti sunt filii Hadah.

Duke Korah - This Dr. Kennicott pronounces to be an interpolation. "It is certain, from Genesis 36:4, that Eliphaz was Esau's son by Adah; and from Genesis 36:11, Genesis 36:12, that Eliphaz had but six sons, Teman, Omar, Zepho, Gatam, Kenaz, and Amalek. It is also certain, from Genesis 36:5, Genesis 36:14, that Korah was the son of Esau (not of Eliphaz) by Aholibamah; and as such he is properly mentioned in Genesis 36:18 : These are the sons of Aholibamah, Esau's wife: duke Jeush, duke Jaalam, Duke Korah. It is clear, therefore, that some transcriber has improperly inserted duke Korah in Genesis 36:16; from which interpolation both the Samaritan text and the Samaritan version are free." - Kennicott's Remarks. Everything considered, I incline to the opinion that these words were not originally in the text.

Duke Korah,.... Only among the sons of Eliphaz is reckoned Duke Korah, not before mentioned among his sons, and is left out in the Samaritan version; See Gill on Genesis 36:7; to which it may be added, that according to Gerundinsis (a), this is the same with Timna, related among the sons of Eliphaz, 1-Chronicles 1:36; who was called by his father Korah: or this might be a grandson of Eliphaz.
(a) Apud Menaasseh ut supra. (conciliator in Genesis. Quaest. 57. p. 81.)