Genesis 41
50 Ref And before the time of need, Joseph had two sons, to whom Asenath, the daughter of Poti-phera, priest of On, gave birth.
51 Ref And to the first he gave the name Manasseh, for he said, God has taken away from me all memory of my hard life and of my father's house.
52 Ref And to the second he gave the name Ephraim, for he said, God has given me fruit in the land of my sorrow.