Joshua 13:8
With him the Reubenites and the Gadites received their inheritance, which Moses gave them, beyond the Jordan eastward, even as Moses the servant of Yahweh gave them:
Joshua 12:6
Moses the servant of Yahweh and the children of Israel struck them. Moses the servant of Yahweh gave it for a possession to the Reubenites, and the Gadites, and the half-tribe of Manasseh.
Numbers 32:33-42
Moses gave to them, even to the children of Gad, and to the children of Reuben, and to the half-tribe of Manasseh the son of Joseph, the kingdom of Sihon king of the Amorites, and the kingdom of Og king of Bashan, the land, according to the cities of it with [their] borders, even the cities of the surrounding land.
Deuteronomy 3:12-17
This land we took in possession at that time: from Aroer, which is by the valley of the Arnon, and half the hill country of Gilead, and its cities, gave I to the Reubenites and to the Gadites:
Joshua 4:12
The children of Reuben, and the children of Gad, and the half-tribe of Manasseh, passed over armed before the children of Israel, as Moses spoke to them.
Joshua 22:4
Now Yahweh your God has given rest to your brothers, as he spoke to them. Therefore now return and go to your tents, to the land of your possession, which Moses the servant of Yahweh gave you beyond the Jordan.