Abraham Klijnkramer and Christina de Haas married in 1932 in Amsterdam. They had a son Arnold in 1937, who died the same year.
Stadsarchief Amsterdam, archiefkaart Abraham Klijnkramer
In addition, a Jokos file (number 55280) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.