Bible Dictionary
On
On was an important Egyptian city, also called Heliopolis or Beth-shemesh, known especially for sun worship. Joseph married Asenath, daughter of its priest, and On was also associated with learning in Egypt.
Biblical Usage
Joseph married Asenath, daughter of the priest of On. The city’s biblical associations also include its identification with Beth-shemesh and Aven, and the prophecy that its sun-worshiping character would be overthrown.
Scripture References