Numbers 32:40
That's why Moses gave Gilead to Manasseh's son Machir, who lived there at the time.
Joshua 17:1
The territorial allotment for the tribe of Manasseh, the firstborn of Joseph, was allocated first to Machir the firstborn of Manasseh and father of Gilead. Since he had been a man of war, Gilead and Bashan were allocated to him.
Deuteronomy 3:13-15
The remainder of Gilead and Bashan of the kingdom of Og, I've given to the half-tribe of Manasseh. (The whole region of Argob that is, all of Bashan is called the land of the Rephaim.)
Joshua 13:29-31
Moses also allocated territory to the half-tribe of Manasseh, that is, for the half-tribe of the descendants of Manasseh according to their tribes.