Rosie Bollegraaf was the daughter of Simon Izak Bollegraaf and Hester de Beer. She married Levie Aron van Dam in 1898. She had a daughter Engelina. Addition of a visitor of the website
These persons are listed as residing at the same address. The source does not provide information about how they were related to one another.
In addition, a Jokos file (number 21510) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.