Genesis 41:45-46

Then Pharaoh named Joseph Zaphenath-paneah; and he gave him Asenath, the daughter of Potiphera, priest of On (Heliopolis in Egypt), as his wife. And Joseph went out over all the land of Egypt [to inspect and govern it]. Now Joseph [had been in Egypt thirteen years and] was thirty years old when he stood before Pharaoh, king of Egypt. Joseph departed from the presence of Pharaoh and went through all the land of Egypt [performing his duties].