Deuteronomy 3:15

3:14 Jair the son of Manasseh took all the region of Argob, as far as the border of the Geshurites and the Maachathites, and called Bashan after his own name, Havoth Jair, to this day.)

3:15 "Also I gave Gilead to Machir.

3:16 And to the Reubenites and the Gadites I gave from Gilead as far as the River Arnon, the middle of the river as the border, as far as the River Jabbok, the border of the people of Ammon;