Deuteronomy 3:12-13 NIV

Division of the Land

12 Of the land that we took over at that time, I gave the Reubenites and the Gadites the territory north of Aroer1 by the Arnon Gorge, including half the hill country of Gilead, together with its towns.

References for Deuteronomy 3:12

13 The rest of Gilead and also all of Bashan, the kingdom of Og, I gave to the half-tribe of Manasseh.2 (The whole region of Argob in Bashan used to be known as a land of the Rephaites.3

References for Deuteronomy 3:13