But in accordance with the command of the Lord our God, you did not encroach on any of the land of the Ammonites, neither the land along the course of the Jabbok nor that around the towns in the hills.
But to the Reubenites and the Gadites I gave the territory extending from Gilead down to the Arnon Gorge (the middle of the gorge being the border) and out to the Jabbok River, which is the border of the Ammonites.
Sihon king of the Amorites, who reigned in Heshbon. He ruled from Aroer on the rim of the Arnon Gorge—from the middle of the gorge—to the Jabbok River, which is the border of the Ammonites. This included half of Gilead.
The king of the Ammonites answered Jephthah’s messengers, “When Israel came up out of Egypt, they took away my land from the Arnon to the Jabbok, all the way to the Jordan. Now give it back peaceably.”