Genesis 48:20

20 He blessed them that day and said, “In youra name will Israel pronounce this blessing: ‘May God make you like Ephraim and Manasseh.’ ” So he put Ephraim ahead of Manasseh.

Read Genesis 48:20 Using Other Translations

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.
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.
So Jacob blessed the boys that day with this blessing: “The people of Israel will use your names when they give a blessing. They will say, ‘May God make you as prosperous as Ephraim and Manasseh.’” In this way, Jacob put Ephraim ahead of Manasseh.