Numbers 26:29

And Israel stretched out his right hand, and laid it upon Ephraim's head, who was the younger, and his left hand upon Manasseh's head, guiding his hands wittingly; for Manasseh was the firstborn.

And the children of Machir the son of Manasseh went to Gilead, and took it, and dispossessed the Amorite which was in it.

And the chief fathers of the families of the children of Gilead, the son of Machir, the son of Manasseh, of the families of the sons of Joseph, came near, and spake before Moses, and before the princes, the chief fathers of the children of Israel:

And I gave Gilead unto Machir.

There was also a lot for the tribe of Manasseh; for he was the firstborn of Joseph; to wit, for Machir the firstborn of Manasseh, the father of Gilead: because he was a man of war, therefore he had Gilead and Bashan.

The sons of Manasseh; Ashriel, whom she bare: (but his concubine the Aramitess bare Machir the father of Gilead: And Machir took to wife the sister of Huppim and Shuppim, whose sister's name was Maachah;) and the name of the second was Zelophehad: and Zelophehad had daughters. And Maachah the wife of Machir bare a son, and she called his name Peresh; and the name of his brother was Sheresh; and his sons were Ulam and Rakem. And the sons of Ulam; Bedan. These were the sons of Gilead, the son of Machir, the son of Manasseh. And his sister Hammoleketh bare Ishod, and Abiezer, and Mahalah. And the sons of Shemidah were, Ahian, and Shechem, and Likhi, and Aniam.