Salomon van de Kar married in Amsterdam on 5 March 1942 to ((508454|Susanna Polak, daughter of Nathan Polak and Sientje Coster. City Archive of Amsterdam, archive card of Susanna Polak.
In addition, a Jokos file (number 21197) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.