In addition, Jokos files (numbers 55380, 55379) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
Paul was a "Wirtschaftsberater" (financial advisor) when he lived in Mannheim, Germany, before emigrating to Holland in the 1930s. (Germany, Index of Jews Whose German Nationality was Annulled by Nazi Regime, 1935-1944, ancestry.com)