Dishon, Ezer, and Dishan; these are the chiefs of the Horites, the sons of Seir in the land of Edom.
In the midst of this genealogy of the Edomites here is inserted the genealogy of the Horites, those Canaanites, or Hittites (compare Gen 26:34), that were the natives of Mount Seir. Mention is made of them, Gen 14:6, and of their interest in Mount Seir, before the Edomites took possession of it, Deu 2:12, Deu 2:22.
Commenting on Genesis 36:20-30
And the children of Anah were these,.... Dishon, the name of one of his uncles. Gen 36:21, and Aholibamah the daughter of Anah; Aben Ezra thinks this is not the same Anah that was mentioned in the beginning of this verse; since, if he was the same, there was no need to mention him again, but that he is the same that is mentioned in...
These are the dukes of the Horites - It appears pretty evident that the Horites and the descendants of Esau were mixed together in the same land, as before observed; and Calmet has very properly remarked, that if we compare this verse with Gen 36:30, there were princes of Seir in the country of Seir, and in that of Edom; and in comparing the generations...