Cross reference
Numbers 32:39
39 The children of Machir the son of Manasseh went to Gilead, and took it, and dispossessed the Amorites who were therein.
Genesis 50:23
23 Joseph saw Ephraim's children to the third generation. The children also of Machir, the son of Manasseh, were born on Joseph's knees.
Numbers 26:29
29 The sons of Manasseh: of Machir, the family of the Machirites; and Machir became the father of Gilead; of Gilead, the family of the Gileadites.
Joshua 17:1
1 [This] was the lot for the tribe of Manasseh; for he was the firstborn of Joseph. As for Machir the firstborn of Manasseh, the father of Gilead, because he was a man of war, therefore he had Gilead and Bashan.