Numbers 26:29

29 aThe sons of Manasseh: of bMachir, the clan of the Machirites; and Machir was the father of Gilead; cof Gilead, the clan of the Gileadites.

Numbers 32:41

41And dJair the son of Manasseh went and captured their villages, and called them Havvoth-jair.
 Havvoth-jair means the villages of Jair

1 Chronicles 2:21

21Afterward Hezron went in to the daughter of fMachir the father of Gilead, whom he married when he was sixty years old, and she bore him Segub.
Copyright information for ESV