17. Esau's son Reuel was the ancestor of the following tribes: Nahath, Zerah, Shammah, and Mizzah. These were all descendants of Esau's wife Basemath.
18. The following tribes were descended from Esau by his wife Oholibamah, the daughter of Anah: Jeush, Jalam, and Korah.
19. All these tribes were descended from Esau.
20-21. The original inhabitants of the land of Edom were divided into tribes which traced their ancestry to the following descendants of Seir, a Horite: Lotan, Shobal, Zibeon, Anah, Dishon, Ezer, and Dishan.