When Hadad died, Samlah from Masrekah succeeded him as king.
When Samlah died, Shaul from Rehoboth1 on the river succeeded him as king.
References for Genesis 36:37
When Shaul died, Baal-Hanan son of Acbor succeeded him as king.
When Baal-Hanan son of Acbor died, Hadad succeeded him as king. His city was named Pau, and his wife's name was Mehetabel daughter of Matred, the daughter of Me-Zahab.
References for Genesis 36:39
These were the chiefs2 descended from Esau, by name, according to their clans and regions: Timna, Alvah, Jetheth,
References for Genesis 36:40
Oholibamah, Elah, Pinon,
Kenaz, Teman, Mibzar,
Magdiel and Iram. These were the chiefs of Edom, according to their settlements in the land they occupied. This was Esau the father of the Edomites.3
References for Genesis 36:43