In June 1941, four obituaries were placed in Het Joodsche Weekblad for Marcus Hochhauser. One notice was signed by the 'Management of N.V. Confection factory formerly De Groot & Co' (Heerengracht 52, Amsterdam) with the text 'Unfortunately we mourn the loss of our loyal Boss, Mr Marcus Hochhauser, w…
In addition, a Jokos file (number 17878) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.