Deuteronomy 2:17-21

That the LORD spake unto me, saying,

Thou art to pass over through Ar, the coast of Moab, this day:

And when thou comest nigh over against the children of Ammon, distress them not, nor meddle with them: for I will not give thee of the land of the children of Ammon any possession; because I have given it unto the children of Lot for a possession.

(That also was accounted a land of giants: giants dwelt therein in old time; and the Ammonites call them Zamzummims;

A people great, and many, and tall, as the Anakims; but the LORD destroyed them before them; and they succeeded them, and dwelt in their stead: