Genesis 36:8

Then Jacob sent messengers before him to his brother Esau in the land of Seir, the country of Edom.

and command the people, saying, “You are going to pass through the territory of your brothers the sons of Esau who live in Seir; and they will be afraid of you. So be very careful;

do not provoke them, for I will not give you any of their land, even as little as a footstep because I have given Mount Seir to Esau as a possession.

just as He did for the sons of Esau, who live in Seir, when He destroyed the Horites from before them; they dispossessed them and settled in their place even to this day.

‘To Isaac I gave Jacob and Esau, and to Esau I gave Mount Seir to possess it; but Jacob and his sons went down to Egypt.

The sons of Esau were Eliphaz, Reuel, Jeush, Jalam, and Korah.

From them, from the sons of Simeon, five hundred men went to Mount Seir, with Pelatiah, Neariah, Rephaiah, and Uzziel, the sons of Ishi, as their chiefs.

And also all the Jews, who were in Moab and among the sons of Ammon and in Edom and who were in all the other lands, heard that the king of Babylon had left a remnant for Judah and that he had appointed over them Gedaliah the son of Ahikam, the son of Shaphan.

“Son of man, set your face against Mount Seir and prophesy against it