The Pulpit Commentary - Genesis 36:18
And these are the sons of Aholi-bamah Esau's wife; duke Jeush, duke Jaalam, duke Korah: these were the dukes that came of Aholibamah the daughter of Allah, Esau's wife. In the two previous instances it is the grandsons of Esau that become the alluphim or heads of tribes, while in this it is the sons, which Havernick regards as a mark of authenticity (vide 'Introd.,' § 20). read more
The Pulpit Commentary - Genesis 36:17
And these are the sons of Reuel Esau's son; duke Nahath, duke Zerah, duke Shammah, duke Minah: these are the dukes that came of Reuel in the land of Edom; these are the sons of Bashemath Esau's wife (vide on Genesis 36:13 ). read more