The Eastern Tribes. ⁸ The other half, the Reubenites and the Gadites, had already received their inheritance from Moses on the other side of the Jordan, to the east. Moses, the servant of God, gave it to them. ⁹ It began at Aroer on the banks of the Arnon River, from the city itself which is in the middle of the river, and it included the whole plain of Medeba as far as Dibon, ¹⁰ all of the cities of Sihon, the king of the Amorites, who reigned in Heshbon, up to the boundary with the Ammonites,