Abraham Piller, a son of Jonas Piller and Betje Ketellapper, married 20 October 1920 in Amsterdam to Sientje Swaab, a daughter of Joseph Swaab and Jetje Berkhof. website www.wiewaswie.nl.
In addition, a Jokos file (number 11418) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.