The Tribes of Israel: Reuben, Gad and Half Manasseh: Settled on East Side of Jordan

So at that time we took possession of this land. To the Reubenites and Gadites I gave the land beyond Aroer along the Arnon Valley, and half the hill country of Gilead, along with its cities. …

And the border of the Reubenites was the bank of the Jordan. This was the inheritance of the clans of the Reubenites, including the cities and villages. …