Thematic Bible: Set aside: that of manasseh

And he blessed Joseph, and said, God, before whom my fathers Abraham and Isaac did walk, the God who fed me all my life long unto this day, The Angel who redeemed me from all evil, bless the lads; and let my name be perpetuated in them, and the name of my fathers Abraham and Isaac; and let them grow into a multitude in the midst of the earth. And when Joseph saw that his father laid his right hand upon the head of Ephraim, it displeased him: and he held up his father's hand, to remove it from Ephraim's head unto Manasseh's head. read more.
And Joseph said unto his father, Not so, my father: for this is the firstborn; put your right hand upon his head. And his father refused, and said, I know it, my son, I know it: he also shall become a people, and he also shall be great: but truly his younger brother shall be greater than he, and his descendants shall become a multitude of nations. And he blessed them that day, saying, In you shall Israel bless, saying, God make you as Ephraim and as Manasseh: and he set Ephraim before Manasseh.

Now the sons of Reuben the firstborn of Israel, (for he was the firstborn; but, since he defiled his father's bed, his birthright was given unto the sons of Joseph the son of Israel: and the genealogy is not to be recorded according to the birthright. Verse ConceptsConcubinesBirthrightsFirstborn Sons