Maria Swart worked as a seamstress with the lingerie- and ready-made clothing company SIDVA (Simon de Vries Ateliers) in Amsterdam in October 1941.
She then had been in office for two weeks.
Lijst van Joodsch Personeel-SIDVA Oct. '41
Maria Swart married 494902 on July 29th 1942 in Amsterdam.
Stadsarchief Amsterdam, archiefkaart Hartog Jas