Deuteronomy 2:19 WEB

¹⁷  that Yahweh spoke to me, saying,

¹⁸  You are this day to pass over Ar, the border of Moab:

¹⁹  and when you come near over against the children of Ammon, don't bother them, nor contend with them; for I will not give you of the land of the children of Ammon for a possession; because I have given it to the children of Lot for a possession.

²⁰  (That also is accounted a land of Rephaim: Rephaim lived therein before; but the Ammonites call them Zamzummim,

²¹  a people great, and many, and tall, as the Anakim; but Yahweh destroyed them before them; and they succeeded them, and lived in their place;