Numbers 34:14
for the tribe of the children of Reuben according to their fathers' houses, and the tribe of the children of Gad according to their fathers' houses, have received, and the half-tribe of Manasseh have received, their inheritance:
Numbers 32:33
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.
Numbers 32:23
"But if you will not do so, behold, you have sinned against Yahweh; and be sure your sin will find you out.
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 13:8-12
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 14:2-3
by the lot of their inheritance, as Yahweh commanded by Moses, for the nine tribes, and for the half-tribe.