Genesis 41:51
51 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.”1
Genesis 46:20
20 And bto Joseph in the land of Egypt were born Manasseh and Ephraim, whom Asenath, the daughter of Potiphera the priest of cOn, bore to him.
Genesis 48:18
18 And Joseph said to his father, “Not this way, my father; since this one is the firstborn, put your right hand on his head.”