Joshua 13:25, 31

Their territory was Jazer, and all the cities of Gilead, and half the land of the sons of Ammon, as far as Aroer which is before Rabbah

also half of Gilead, with Ashtaroth and Edrei, the cities of the kingdom of Og in Bashan, were for the sons of Machir the son of Manasseh, for half of the sons of Machir according to their families.