Actually, they are properly called the van Daans. They have 1 child named Peter.
Peter van Pels's birth name is Peter Aron van Pels.
That is Mrs. Van Pels real name. Anne Frank used Mrs. Van Daan in her diary.
Mr. van Pels accepted it fairly good-naturedly, while Mrs. van Pels was a bit of a prima Donna and complainer about many aspects of it.
Peter Van Pels was a boy who lived in "the secret annex" with Anne Frank and her family. Van Pels' father was Hermann Van Pels. He worked with Anne's father, so that was why the Franks' brought the Van Pels with them into their hiding place.
Herman van Pels went by Putti, and Hans van Daan.
Herman van Pels was 46 when he died in Auschwitz.
Auguste van Pels (Mrs. van Pels).
Margot Frank, Edith Frank-Hollander, Otto Frank, Hermann van Pels, Auguste van Pels, Peter van Pels, and Fritz Pfeffer.
Mr. van Dann: Hermann van Pels and Mrs. van Daan: Auguste van Pels
It is Peter Van Pels, Anne was hiding his true identity in her diary "Kitty"
Fritz Pfeffer Patter van Pels Mr. van Pels Mrs. van Pels Edith Frank Otto Frank Anne Frank Margot Frank
Mr. Van Pels, Mrs. Van Pels, Peter Van Pels, Margot Frank, Edith Frank, Otto Frank and a dentist friend.