These are the sons of Esau's son Reuel: Chiefs Nahath, Zerah, Shammah, and Mizzah. They are the chiefs descended from Reuel in the land of Edom, and they are the grandsons of Esau's wife Basemath.

Genesis 26:34
When Esau was forty years old, he took as his wives Judith daughter of Beeri the Hittite and Basemath daughter of Elon the Hittite.

Genesis 36:13
These are the sons of Reuel: Nahath, Zerah, Shammah, and Mizzah. They are the grandsons of Esau's wife Basemath.

Genesis 36:16
Korah, Gatam, and Amalek. They are the chiefs of Eliphaz in the land of Edom, and they are the grandsons of Adah.

Genesis 36:18
These are the sons of Esau's wife Oholibamah: Chiefs Jeush, Jalam, and Korah. They are the chiefs descended from Esau's wife Oholibamah, the daughter of Anah.

And these are the sons of Reuel Esau's son; duke Nahath, duke Zerah, duke Shammah, duke Mizzah: these are the dukes that came of Reuel in the land of Edom; these are the sons of Bashemath Esau's wife.