'Machir' signifies the same as 'Manasseh' because Machir was the son of Manasseh.

In Genesis 50:23, this signifies a derivative from the will of that church, or goods conjoined with truths. (Arcana Coelestia 6584)

In Judges 5:14, this signifies truths from good. (Arcana Coelestia 6372)

(Reference: Apocalypse Explained 447)