3:12-20 This country was settled on the Reubenites, Gadites, and half the tribe of Manasseh: see Nu 32. Moses repeats the condition of the grant to which they agreed. When at rest, we should desire to see our brethren at rest too, and should be ready to do what we can towards it; for we are not born for ourselves, but are members one of another.

16. from Gilead—that is, not the mountainous region, but the town Ramoth-gilead,

even unto the river Arnon half the valley—The word "valley" signifies a wady, either filled with water or dry, as the Arnon is in summer, and thus the proper rendering of the passage will be—"even to the half or middle of the river Arnon" (compare Jos 12:2). This prudent arrangement of the boundaries was evidently made to prevent all disputes between the adjacent tribes about the exclusive right to the water.