Deuteronomy 2:37

2:37 However, you did not approach the land of the Ammonites, the Wadi Jabbok, the cities of the hill country, or any place else forbidden by the Lord our God.

Genesis 32:22

32:22 During the night Jacob quickly took his two wives, his two female servants, and his eleven sons and crossed the ford of the Jabbok.

Numbers 21:24

21:24 But the Israelites defeated him in battle and took possession of his land from the Arnon to the Jabbok, as far as the Ammonites, for the border of the Ammonites was strongly defended.

Joshua 12:2-3

12:2 King Sihon of the Amorites who lived in Heshbon and ruled from Aroer (on the edge of the Arnon Valley) – including the city in the middle of the valley and half of Gilead – all the way to the Jabbok Valley bordering Ammonite territory. 12:3 His kingdom included the eastern Arabah from the Sea of Kinnereth to the Sea of the Arabah (the Salt Sea), including the route to Beth Jeshimoth and the area southward below the slopes of Pisgah.