The sons of Dishon were Hemdan, Eshban, Ithran, and Keran.
References for Genesis 36:26
The sons of Ezer were Bilhan, Zaavan, and Akan.
The sons of Dishan were Uz and Aran.
So the leaders of the Horite clans were Lotan, Shobal, Zibeon, Anah,
Dishon, Ezer, and Dishan. The Horite clans are named after their clan leaders, who lived in the land of Seir.
These are the kings who ruled in Edom before there were kings in Israel :
References for Genesis 36:31
Bela son of Beor, who ruled from his city of Dinhabah.
When Bela died, Jobab son of Zerah from Bozrah became king.
When Jobab died, Husham from the land of the Temanites became king.
When Husham died, Hadad son of Bedad became king and ruled from the city of Avith. He was the one who destroyed the Midianite army in the land of Moab.
When Hadad died, Samlah from the city of Masrekah became king.