Jabbok

He got up that night, took his two wives, his two slave-girls, and his eleven children, and forded the Yabok.

Isra'el defeated him by force of arms and took control of his land from the Arnon to the Yabok River, but only as far as the people of 'Amon, because the territory of the people of 'Amon was well defended.

The only land you didn't approach was that of the descendants of 'Amon - the region around the Yabok River, the cities in the hills and wherever else ADONAI our God forbade us to go.

and to the Re'uveni and the Gadi I gave the territory from Gil'ad to the Arnon Valley, with the middle of the valley as the border, as far as the Yabok River, which is the border with the people of 'Amon;

Sichon king of the Emori, who lived in Heshbon and ruled the territory that includes 'Aro'er, at the edge of the Arnon Valley; the middle of the valley; half of Gil'ad, to the Yabok River, which forms the border with the people of 'Amon;

The king of 'Amon answered the messengers of Yiftach, "Because Isra'el took away my territory when they came up from Egypt. They took everything from the Arnon to the Yabok and the Yarden. Now, restore it peacefully."

They took possession of all the territory of the Emori from the Arnon to the Yabok and from the desert to the Yarden.