and all the cities of Sihon king of the Amorites, who reigned in Heshbon, as far as the boundary of the Ammonites;
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 all the cities of Sihon king of the Amorites, which reigned in Heshbon,.... A city he took from the Moabites, and made it his royal seat, Num 21:26, unto the border of the children of Ammon; which was the river Jabbok, Deu 3:16.
Jos 13:8-10 To the command of God to divide the land on this side the Jordan among the nine tribes and a half (Jos 13:7), the historian appends the remark, that the other two tribes and a half had already received their inheritance from Moses on the other side (Jos 13:8).
Commenting on Joshua 13:8-10