Henriette Lap was a daughter of Ezechiel Lap and Heintje van Staveren. She worked as a manageress in the Bonneterie in the Kalverstraat. Her name is mentioned there on a plaquette.
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Stadsarchief Amsterdam, archiefkaart Heintje van Staveren
This person is commemorated on a memorial in Amsterdam. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.