This is what Moses had given to the clans of the half-tribe of Manasseh, that is, to half the tribe of the descendants of Manasseh:
Here we have, I. Orders given to Joshua to assign to each tribe its portion of this land, including that which was yet unsubdued, which must be brought into the lot, in a believing confidence that it should be conquered when Israel was multiplied so as to have occasion for it (Jos 13:7): Now divide this land. Joshua thought all must be conquered before any must be divided.
Commenting on Joshua 13:7-33
And their coast was from Mahanaim,.... A place in the tribe of Gad, Jos 13:26; which was the boundary of the half tribe that way: all Bashan; so famous for its oxen, and for pasturage for them, and for its oaks, called by Josephus Batanea: all the kingdom of Og king of Bashan; which, besides Bashan, took in the kingdom of Argob or Trachonitis, half...
The half tribe of Manasseh - When the tribes of Reuben and Gad requested to have their settlement on the east side of Jordan, it does not appear that any part of the tribe of Manasseh requested to be settled in the same place.