Genesis 48:13-19

13And Joseph took them both, Ephraim in his right hand toward Israel's left hand, and Manasseh in his left hand toward Israel's right hand, and brought [them] near to him.

14But Israel stretched out his right hand, and laid [it] on Ephraim's head — now he was the younger — and his left hand on Manasseh's head; guiding his hands intelligently, for Manasseh was the firstborn.

15And he blessed Joseph, and said, The 1God before whom my fathers Abraham and Isaac walked, the 2God that shepherded me all my life long to this day,

16the Angel that redeemed me from all evil, bless the lads; and let my name be named upon them, and the name of my fathers Abraham and Isaac; and let them grow into a multitude in the midst of the land!

17When Joseph saw that his father laid his right hand on the head of Ephraim, it was evil in his eyes; and he took hold of his father's hand to remove it from Ephraim's head to Manasseh's head.

18And Joseph said to his father, Not so, my father, for this is the firstborn: put thy right hand on his head.

19But his father refused and said, I know, my son, I know: he also will become a people, and he also will be great; but truly his younger brother will be greater than he; and his seed will become the fulness of nations.