Deuteronomy 3:12-14

12“When we took possession of this land at that time, I gave to the Reubenites and the Gadites the territory beginning aat Aroer, which is on the edge of the Valley of the Arnon, and half the hill country of Gilead with bits cities. 13 cThe rest of Gilead, and all Bashan, the kingdom of Og, that is, dall the region of Argob, I gave to the half-tribe of Manasseh. (All that portion of Bashan is called the land of eRephaim. 14 fJair the Manassite took all the region of Argob, that is, Bashan, as far as the border of gthe Geshurites and the Maacathites, and called the villages hafter his own name, Havvoth-jair, as it is to this day.)

2 Kings 10:33

33from the Jordan eastward, all the land of Gilead, the Gadites, and the Reubenites, and the Manassites, from iAroer, which is by the Valley of the Arnon, that is, jGilead and Bashan.
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