The tribe of Manasseh was unique in that it had land portions on either side of the Jordan (see Joshua 13:29–31; Joshua 17:1–13). They are mentioned in order to stress the unity of this tribe—a unity meant to characterize the whole nation of Israel.1
7 Now to the one half of the tribe of Manasseh Moses had given a possession in Bashan, but to the other half Joshua had given a possession beside their brothers in the land west of the Jordan. And when Joshua sent them away to their homes and blessed them,