Emanuël Cauvern and Roosje Velleman had three children. Their son Leonard Cauvern, born in 1918, died in 1935 in an accident with the Gooische Tram. Their oldest son Joseph Cauvern died during the war.
Addition of a visitor of the website
In addition, Jokos files (numbers 35286, 35285) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.