8 So Esau (that is, Edom) settled in the hill country of Seir.

Read Genesis 36:8 Using Other Translations

Thus dwelt Esau in mount Seir: Esau is Edom.
So Esau settled in the hill country of Seir. (Esau is Edom.)
So Esau (also known as Edom) settled in the hill country of Seir.