Leendert Groen was the widower of Rebecca Prins. The couple lived at 49 Hofmeyrstraat in Amsterdam.
Amsterdam municipal archive, Records Jokos, Möbel-claim 11370; property Joods Maatschappelijk Werk
In addition, Jokos files (numbers 11370, 4961) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk…