Moses
Genesis 48:20ESV·traditional attribution

So he blessed them that day, saying, “By you Israel will pronounce blessings, saying, ‘God make you as Ephraim and as Manasseh.’” Thus he put Ephraim before Manasseh.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The blessing with which Jacob blessed the two sons of Joseph, which is the more remarkable because the apostle makes such particular mention of it (Heb 11:21), while he says nothing of the blessing which Jacob pronounced on the rest of his sons, though that also was done in faith. Observe here, 1. Jacob was blind for age, Gen 48:10.

Commenting on Genesis 48:8-22

John Gill Reformed Baptist @doctorgill

And he blessed them that day,.... That Joseph visited him, and this be did "by faith"; believing that what he had said concerning them would be accomplished, as the apostle observes, Heb 11:21, saying, in thee shall Israel bless; in Joseph, as the Targum of Jonathan, that is, in his seed, in his sons Ephraim and Manasseh, when the Israelites blessed any, they should make...

Geneva Bible Notes Reformed @genevanotes

And he blessed them that day, saying, In thee shall Israel bless, saying, God make thee as Ephraim and as Manasseh: and he set Ephraim before Manasseh. (h) In whom God's graces should manifestly appear.