Alida Peeper was the mother of Marianne Peereboom. Jette Peereboom was a sister of Marianne Peereboom.
Addition of a visitor of the website
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, this family had a greengrocery, address: Retiefstraat 21 in Amsterdam.
Abstracts of the police archives which are currently at the Amsterdam municipal archives