Thematic Bible: Set aside: that of manasseh

Jacob blessed Joseph. He said: May God, in whose presence my grandfather Abraham and my father Isaac walked, may this God who has been my shepherd all my life to this very day, May the being who rescued me from all evil bless these boys! May they be called by my name and by the names of my grandfather Abraham and my father Isaac. May they have many children on the earth. Joseph saw that his father had put his right hand on Ephraim's head. Joseph did not like it. So he took his father's hand in order to move it from Ephraim's head to Manasseh's. read more.
He said to his father: That is not right, Father! This is the firstborn. Put your right hand on his head. His father refused and said: I know, Son, I know! Manasseh, too, will become a nation. He, too, will be important. Nevertheless, his younger brother will be more important than he. His descendants will become many nations. That day he blessed them. He said: Because of you, Israel will speak this blessing: 'May God make you like Ephraim and Manasseh!' In this way Israel put Ephraim ahead of Manasseh.

The sons of Reuben the firstborn of Israel he was the firstborn, but when he defiled his father's marriage bed, his rights as firstborn were given to the sons of Joseph son of Israel; so he could not be listed in the genealogical record in accordance with his birthright, Verse ConceptsConcubinesBirthrightsFirstborn Sons