Numbers 26:28
The sons of Joseph according to their families were Manasseh and Ephraim.
Genesis 46:20
Now to Joseph in the land of Egypt were born Manasseh and Ephraim, whom Asenath, the daughter of Potiphera, priest of On (Heliopolis in Egypt), bore to him.
Genesis 41:51-52
Joseph named the firstborn Manasseh (causing to forget), for he said, “God has made me forget all my trouble and hardship and all [the sorrow of the loss of] my father’s household.”
Genesis 48:5
Now your two sons [Ephraim and Manasseh], who were born to you in the land of Egypt before I came to you in Egypt, are mine;
Genesis 48:13-20
Then Joseph took them both, Ephraim with his right hand toward Israel’s left, and Manasseh with his left hand toward Israel’s right, and brought them close to him.