Joshua told the Reubenites, Gadites, and the half tribe of Manasseh:

Then Joshua summoned the Reubenites, Gadites, and the half-tribe of Manasseh

Moses the Lord’s servant and the Israelites defeated them and Moses the Lord’s servant assigned their land to Reuben, Gad, and the half tribe of Manasseh.

(Now to one half-tribe of Manasseh, Moses had assigned land in Bashan; and to the other half Joshua had assigned land on the west side of the Jordan with their fellow Israelites.) When Joshua sent them home, he rewarded them,