John Gill Commentary Deuteronomy 3:15

"And I gave Gilead unto Machir." — Deuteronomy 3:15 (ASV)

And I gave Gilead to Machir .
] The son of Manasseh; not to him personally, who cannot be thought to have been living at this time, but to his posterity, to the Machirites; see (Numbers 32:40) .