Deuteronomy 28:9

28:9 The Lord will designate you as his holy people just as he promised you, if you keep his commandments and obey him.

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.