Ammonites: Territory of
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Numbers 21:24
And Israel put him to the sword and took possession of his land, from the Arnon to the Jabbok—but only up to the border of the Ammonites, because it was fortified.
Deuteronomy 2:19
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.”
Joshua 12:2
Sihon king of the Amorites, who lived in Heshbon. He ruled from Aroer on the rim of the Arnon Valley, along the middle of the valley, up to the Jabbok River (the border of the Ammonites), that is, half of Gilead,
Joshua 13:10, 25
and all the cities of Sihon king of the Amorites who reigned in Heshbon, as far as the border of the Ammonites; / The territory of Jazer, all the cities of Gilead, and half the land of the Ammonites as far as Aroer, near Rabbah;
Judges 11:13
The king of the Ammonites answered Jephthah’s messengers, “When Israel came up out of Egypt, they seized my land, from the Arnon to the Jabbok and all the way to the Jordan. Now, therefore, restore it peaceably.”