Hortense Ruth Frigga Zilversmit was deported to Sobibor in June 1943 from Vught via Westerbork on the so-called children's transport. She was 12 years old when she died.
J. de Moei, Joodse kinderen in het kamp Vught (Vught 1999) 91
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, this family had a lunch room, address: Daniël Willinkplein 1 in Amsterdam.
Abstracts of the police archives which are currently at the Amsterdam municipal archives