The Secret Annex was betrayed on August 4, 1944. The Van Pels family was deported to Auschwitz. Petronella was eventually separated from her husband and son. She was moved through a series of concentration camps, including Bergen-Belsen (where she briefly reunited with Anne and Margot Frank) and Buchenwald.
Petronella van Daan is actually the nickname for Mrs. Van Daan, the mother of Peter Van Daan, a friend of Anne Frank's who also hides with her family during WWII. petronella van daan
In the confined world of the Secret Annex, where eight people lived in constant fear of discovery, friction was inevitable. While Anne Frank’s diary often highlights her own growth and the quiet dignity of her father, Otto, it is Petronella van Daan—the mother of Peter van Daan—who emerges as the most vivid and complex source of domestic tension. Far from a simple villain, Petronella van Daan represents the destructive effects of chronic stress, material insecurity, and the clash between generations living in extreme proximity. The Secret Annex was betrayed on August 4, 1944