Creesia (or Lucretia) van Zanten was married to Ruben Bollegraaf. She had previously been married to Levie de Vries, who had died in 1910. During her first marriage, she had a child, who survived the war. While married to Ruben Bollegraaf she had a child, who survived the war as well. Ruben Bollegraaf and Creesia van Zanten lived at 12 Torenstraat in Groningen. Ruben Bollegraaf and Creesia van Zanten had their jewelry looted from them in Auschwitz.
The archive of the Stichting Sieraden-Comité contains correspondence, a statement taken under oath, a list of the items of jewelry stolen and a certificate of rights of inheritance and succession from 1959.
NIOD, Records Stichting Sieraden-Comité, box HF 12, file 175
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 53602) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.