Femmina Nikkelsberg was married IN Amsterdam on 5 August 1942 to Salomon van Os, son of Joseph van Os en Vogeline de Rosa. The couple did not have any children. They lived at Jodenbreestraat 17 II in Amsterdam.
NIOD, Records Stichting Sieraden-Comité, box HF 15, file 225 and City Archive of Amsterdam, archive card of Joseph van Os.
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