These persons are listed as residing at the same address. The source does not provide information about how they were related to one another.
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Collection Jewish Historical Museum, F000485
https://stadsarchief.rotterdam.nl/zoek-en-ontdek/archieven/zoekresultaat-archieven/?mivast=184&mizig=210&miadt=184&micode=63&milang=nl&mizk_alle=arrestant&miview=inv2
https://stadsarchief.rotterdam.nl/zoek-en-ontdek/archieven/zoekresultaat-archieven/?mivast=184&mizig=210&miadt=184&micode=63&milang=nl&mizk_alle=arrestant&miview=inv2