Numbers 1:34,35
Of the children of Manasseh, by their generations, after their families, by the house of their fathers, according to the number of the names, from twenty years old and upward, all that were able to go forth to war;
Nave's Topical Index—AKJV

Numbers 26:29-34
Of the sons of Manasseh: of Machir, the family of the Machirites: and Machir begat Gilead: of Gilead come the family of the Gileadites.
Nave's Topical Index—AKJV