Abraham Koekoek was deported to Sobibor in June 1943 from Vught via Westerbork on the so-called children's transport. He was 12 when he died. J. de Moei, Joodse kinderen in het kamp Vught (Vught 1999) 45
In addition, a Jokos file (number 50102) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
Person is in the National Database of Victims of Persecution