Genesis 41:50 Now before the year of famine came, two sons were born to Joseph, whom Asenath, the daughter of Potiphera priest of On, bore to him.

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, bore to him.

Genesis 48:1 Now it came about after these things that Joseph was told, "Behold, your father is sick." So he took his two sons Manasseh and Ephraim with him.

Joshua 14:4 For the sons of Joseph were two tribes, Manasseh and Ephraim, and they did not give a portion to the Levites in the land, except cities to live in, with their pasture lands for their livestock and for their property.

1 Chronicles 5:1 Now the sons of Reuben the firstborn of Israel (for he was the firstborn, but because he defiled his father's bed, his birthright was given to the sons of Joseph the son of Israel; so that he is not enrolled in the genealogy according to the birthright.

1 Chronicles 5:2 Though Judah prevailed over his brothers, and from him came the leader, yet the birthright belonged to Joseph), (NASB ©1995)