John Gills Exposition of the Bible Commentary - Deuteronomy 3:8
And we took at that time out of the hands of the two kings of the Amorites ,.... Sihon king of Heshbon, and Og king of Bashan: the land that was on this side Jordan ; where Moses then was, being in the plains of Moab, and was the country beyond Jordan, with respect to the land of Canaan, and when in that: from the river of Arnon unto Mount Hermon ; Arnon was a river which divided Moab and the Amorites, Numbers 22:13 and Hermon was a mountain of Gilead, which ended where Lebanon... read more
Matthew Henry's Complete Commentary - Deuteronomy 3:1-11
We have here another brave country delivered into the hand of Israel, that of Bashan; the conquest of Sihon is often mentioned together with that of Og, to the praise of God, the rather because in these Israel's triumphs began, Ps. 135:11; 136:19, 20. See, I. How they got the mastery of Og, a very formidable prince, 1. Very strong, for he was of the remnant of the giants (Deut. 3:11); his personal strength was extraordinary, a monument of which was preserved by the Ammonites in his bedstead,... read more