Numbers 32:38

and Nebo, and Baal-meon, (their names being changed,) and Shibmah; and gave other names unto the cities which they builded. Some of these cities have been located more or less exactly, while the location of others is altogether a matter of conjecture; but they were all in the territory east of the Jordan. y. 39. And the children of Machir, the son of Manasseh, went to Gilead, that is, they had gone there, this fact causing them to be included in this grant, and took it, and dispossessed the Amorite which was in it.