Judith van Geens was deported to Sobibor in June 1943 from Vught via Westerbork on the so-called children's transport. She was five months old when she died.
J. de Moei, Joodse kinderen in het kamp Vught (Vught 1999) 32
For information about Judith van Geens and her parents: the website of the Sobibor foundation.