- Document ID: 132045648
- Document Collection: 7-14-1 Documentation of the CLI
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https://www.mappingthelives.org/bio/be9e6ea0-7c0a-4970-91ed-42ccefa57a5f
https://www.joodsmonument.nl/en/page/212175/sidonie-katz-stern
https://www.oorlogsbronnen.nl/tijdlijn/Sidonie-Katz-Stern/02/76004
Sidonie Katz (Stern) (1912 - d.) - Genealogy (geni.com)
Sister: Margaretha Stern
https://www.joodsmonument.nl/en/page/161348/margaretha-stern
Sister: Irma Stern
https://www.joodsmonument.nl/en/page/215108/irma-stern
Brother: Fritz Stern
https://www.joodsmonument.nl/en/page/174955/fritz-stern
Brother: Walter Stern (survived and emigrated to the USA)