The Ammonites: Jewish Laws Respecting: Not to be Distressed

But when you get close to the Ammonites, do not harass them or provoke them, for I will not give you any of the land of the Ammonites. I have given it to the descendants of Lot as their possession.”

And now, here are the men of Ammon, Moab, and Mount Seir, whom You did not let Israel invade when they came out of the land of Egypt. So Israel turned away from them and did not destroy them.