The tribes of Reuben and Gad and the other half of the tribe of Manasseh had already received the land that Moses, the Lord's servant, had given them; it was on the east side of the Jordan River.
The people of Israel had already conquered and occupied the land east of the Jordan, from the Arnon Valley up the Jordan Valley and as far north as Mount Hermon. They defeated two kings.
These two kings were defeated by Moses and the people of Israel. Moses, the Lord's servant, gave their land to the tribes of Reuben and Gad and to half the tribe of Manasseh, to be their possession.
Their territory extended to Aroer (on the edge of the Arnon Valley) and the city in the middle of that valley and included all of the plateau from Medeba to Dibon.
Now, as he promised, the Lord your God has given the other Israelites peace. So go back home to the land which you claimed for your own, the land on the east side of the Jordan, that Moses, the Lord's servant, gave you.
The men of the tribes of Reuben and Gad and of half the tribe of Manasseh, ready for battle, crossed ahead of the rest of the people, as Moses had told them to do.