Now this was the allotment for the tribe of Manasseh as Joseph’s firstborn son, namely for Machir the firstborn of Manasseh and father of the Gileadites, who had received Gilead and Bashan because Machir was a man of war.
The historian returns to the tribe of Manasseh with the view of confirming what we formerly saw with regard to the daughters of Selophead. For though it was a novelty for females to succeed indiscriminately with males, yet as five of them had survived their father, they proved it to be equitable that they should be admitted to a portion, lest while he was innocent...
Manasseh was itself but one half of the tribe of Joseph, and yet was divided and subdivided. 1. It was divided into two parts, one already settled on the other side Jordan, consisting of those who were the posterity of Machir, Jos 17:1.
Commenting on Joshua 17:1-6
There was also a lot for the tribe of Manasseh,.... As well as for the tribe of Ephraim: for he was the firstborn of Joseph; and therefore ought to have his part and share in the lot of the children of Joseph, though Ephraim was preferred before him in the blessing of Jacob.