Division of the Land West of the Jordan to the Tribes and to Joshua (13:8–19:51): Before recounting the actual land distribution to the nine and a half tribes, the author first summarizes the arrangements already made for those who will not be participating in the distribution. This is further broken down into a general (13:8–14) and a more specific (13:15–33) summary.
In the general summary, Moses’s prior giving of land east of the Jordan to the two and a half tribes is first mentioned, along with the extent of that land. But the comment that the Israelites did not dispossess the Geshurites and Maakathites (13:1…
Baker Publishing Group, The Baker Illustrated Bible Commentary, by Gary M. Burge