Margaretha Coopman married 530933 on 23 April 1941 in Amsterdam. They went to live on Nieuwe Prinsengracht 38 hs in Amsterdam. After the death of her husband Margaretha Coopman moved back to Nieuwe Prinsengracht 110 II.
Stadsarchief Amsterdam, archiefkaart Margaretha Coopman
In addition, Jokos files (numbers 16694, 16696) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.