Deuteronomy 2:20-23

20(That also is accounted a land of Rephaim: Rephaim dwelt therein aforetime; but the Ammonites call them Zamzummim, 21a people great, and many, and tall, as the Anakim; but Jehovah destroyed them before them; and they succeeded them, and dwelt in their stead; 22as he did for the children of Esau, that dwell in Seir, when he destroyed the Horites from before them; and they succeeded them, and dwelt in their stead even unto this day. 23And the Avvim, that dwelt in villages as far as Gaza, the Caphtorim, that came forth out of Caphtor, destroyed them, and dwelt in their stead.)