Devarim 2:20-22

Orthodox Jewish Bible

²⁰ (That also was accounted a land of Refa’im; Refa’im dwelt therein in old time; and the Ammonim call them Zamzummim;

²¹ A people great, and many, and tall, as the Anakim; but Hashem destroyed them before them; and they [the Ammonim] dispossessed them, and dwelt in their place:

²² As He did to the Bnei Esav, which dwelt in Seir, when He destroyed the Chori from before them; and they succeeded them, dwelling in their place even to this day;