King James Version
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.English Standard Version
Then allotment was made to the people of Manasseh, for he was the firstborn of Joseph. To Machir the firstborn of Manasseh, the father of Gilead, were allotted Gilead and Bashan, because he was a man of war.New International Version
This was the allotment for the tribe of Manasseh as Joseph's firstborn, that is, for Makir, Manasseh's firstborn. Makir was the ancestor of the Gileadites, who had received Gilead and Bashan because the Makirites were great soldiers.