Numbers 21:24; Joshua 12:2

24 wAnd Israel defeated him with the edge of the sword and took possession of his land from the Arnon to the xJabbok, as far as to the Ammonites, for the border of the Ammonites was strong.


qSihon king of the Amorites who lived at Heshbon and ruled from Aroer, which is on the edge of the Valley of the Arnon, and rfrom the middle of the valley as far as the sriver Jabbok, the boundary of the Ammonites, that is, half of Gilead,