Sara van der Sluis was deported from Vught to Westerbork on the 6th of June 1943 with the so-called children's transport. Together with her mother and brother she was deported to Sobibor on the 6th of July 1943 to Sobibor. She was 2 years old when she died.
In addition, a Jokos file (number 15331) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.