Deuteronomy 1:4

1:4 This took place after the defeat of King Sihon of the Amorites, whose capital was in Heshbon, and King Og of Bashan, whose capital was in Ashtaroth, specifically in Edrei.

Deuteronomy 17:15

17:15 you must select without fail a king whom the Lord your God chooses. From among your fellow citizens you must appoint a king – you may not designate a foreigner who is not one of your fellow Israelites.