The Horites previously lived in Seir, but the descendants of Esau dispossessed them and destroyed them {from among themselves}, as Israel did with respect to the land of their possession that Yahweh gave to them.)

just as he did for the descendants of Esau, who live in Seir, when he destroyed the Horites from {before them} and dispossessed them, and [then] they settled in their place up to this day.