Genesis 36:8 in the World English Bible
Esau lived in the hill country of Seir. Esau is Edom.
Context
7 For their riches were more than that they might dwell together; and the land wherein they were strangers could not bear them because of their cattle.
8 Thus dwelt Esau in mount Seir: Esau is Edom.
9 And these are the generations of Esau the father of the Edomites in mount Seir: