Mrs Olsen was a fictional character who appeared in the Superman comic book series. She was the mother of Jimmy Olsen.
In an issue of the comic read by the Twelfth Doctor, she had an appointment with Perry White to discuss her disapproval of Jimmy's career choices. While talking to Clark Kent, she noticed a picture on the wall of a young Perry White and declared "that man [was] Jimmy's father!" (TV: The Return of Doctor Mysterio)