A boy Anne had a fleeting "romance" with when she was very young. She feels that Petel is her one true love – though later in the diary she admits that her feelings for Petel and Peter van Daan have become conflated. Petel comes to symbolize true love to Anne.
The timeline below shows where the character Peter Schiff ("Petel") appears in The Diary of Anne Frank. The colored dots and icons indicate which themes are associated with that appearance.