When you come opposite the territory of the sons of Ammon, do not harass them nor provoke them, for I will not give you any of the land of the sons of Ammon as a possession, because I have given it to the sons of Lot as a possession.’

(It is also regarded as the land of the Rephaim [of giant stature], for Rephaim used to live there, but the Ammonites call them Zamzummin,

Only you did not go near the land of the sons of Ammon, all along the river Jabbok and the cities of the hill country, and wherever the Lord our God had forbidden us.

(For only Og king of Bashan was left of the remnant of the [the giants known as the] Rephaim. Behold, his bed frame was a bed frame of iron; is it not in Rabbah of the Ammonites? It was nine cubits (12 ft.) long and four cubits (6 ft.) wide, using the cubit of a man [the forearm to the end of the middle finger].)

To the Reubenites and Gadites I gave the territory from Gilead as far as the Valley of Arnon, with the middle of the Valley as a boundary, and as far as the Jabbok River, the boundary of the sons of Ammon;

An Ammonite or Moabite shall not enter the assembly of the Lord; none of their descendants, even to the tenth generation, shall ever enter the assembly of the Lord,