Translation:Mikraot Gedolot/Genesis/50:23

Text
And Joseph saw Ephraim's children of the third [generation]; also the sons of Machir, son of Manasseh, were born upon the knees of Joseph.

Rashi
Upon the knees of Joseph

As its Targum: He raised them upon his knees. End of parashah "And he lived".

Ibn Ezra
Children of the third [generation]

Since the word בני (children of) uses the construct state, the children will be the fourth [generation].

Were born

Were raised.