Numbers 26:28
The descendants of Joseph according to their clans: Manasseh and Ephraim.
Genesis 46:20
And Ephraim and Manasseh, whom Asenath, daughter of Potiphera, priest of On bore to him, were born to Joseph in the land of Egypt.
Genesis 41:51-52
And Joseph called the name of the firstborn Manasseh, for [he said], "God has caused me to 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 my coming to you in Egypt, are mine. Ephraim and Manasseh shall be mine as Reuben and Simeon [are].
Genesis 48:13-20
And Joseph took the two of them, Ephraim at his right [to] the left of Israel, and Manasseh at his left [to] the right of Israel. And he brought them near to him.