And the king of the children of Ammon said to the men sent by Jephthah, Because Israel, when he came up out of Egypt, took away my land, from the Arnon as far as the Jabbok and as far as Jordan: so now, give me back those lands quietly.

All the limit of the Amorites was theirs, from the Arnon as far as the Jabbok and from the waste land even to Jordan.