Erna Gerson was married to Maurits Hendrik Cohen. The couple had four children: Henri, Marcel, Louis and one child that may have survived the war. Maurits Hendrik Cohen died in 1939.
Addition of a visitor of the website
In addition, a Jokos file (number 9373) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.