Jacob Wolff, son of Abraham Wolff and Annette Coopman, married 24 November 1927 in Amsterdam to Esther Roodenburgh, daughter of Matthijs Hartog Roodenbufg and Klare Cohen. website www.wiewaswie.nl
In addition, a Jokos file (number 55569) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.