Numbers 26:28
The sons of Joseph according to their clans: Manasseh and Ephraim.
Genesis 46:20
And to Joseph in the land of Egypt were born Manasseh and Ephraim, whom Asenath, the daughter of Potiphera the priest of On, bore to him.
Genesis 41:51-52
Joseph called the name of the firstborn Manasseh. "For," he said, "God has made me forget all my hardship and all my father's house."
Genesis 48:5
And now your two sons, who were born to you in the land of Egypt before I came to you in Egypt, are mine; Ephraim and Manasseh shall be mine, as Reuben and Simeon are.
Genesis 48:13-20
And Joseph took them both, Ephraim in his right hand toward Israel's left hand, and Manasseh in his left hand toward Israel's right hand, and brought them near him.