Marianne de Jong, a daughter of Abraham de Jong and Maaike Cohen, married in Amsterdam on 20 December 1916 to Salomon Zwart, a son of Jacob Zwart and Esther Groen.
Her siblings, who did not survive the Holocaust too were Hartog, Benjamin, Jacob, Anna, Wolf, Karel, Rosa and Esther. Two brothers have survived the war.
City Archive of Amsterdam, archive card of Maaike Cohen and website www.wiewaswie.nl.
Biography