46:20 Manasseh and Ephraim were born to Joseph in the land of Egypt. Asenath daughter of Potiphera, priest of On, bore them to him.
Genesis 48:5
48:5 “Now, as for your two sons, who were born to you in the land of Egypt before I came to you in Egypt, they will be mine. Ephraim and Manasseh will be mine just as Reuben and Simeon are.