Who Was Joseph's Wife? Asenath in Genesis 41:45
Genesis 41:45 answers the question in a single line: Joseph's wife was Asenath, daughter of Potiphera, priest of On. Pharaoh arranged the marriage as part of the same ceremony that gave Joseph a new name and authority over Egypt.
Who Was Ephraim's Father? Genesis 41:50–52
Genesis 41:50 states plainly that Ephraim was born to Joseph in Egypt, making Joseph the father of the tribe that later bears Ephraim's name. The verses around it explain the names Joseph gave his two sons.
Manasseh and Ephraim: Joseph Names His Sons
Genesis 41:51–52 does not define the name Joseph. It records the explanations Joseph gave for his sons' names, turning memory and pain into confession of what God had done.