Lion Cohen was a nurse at the Apeldoornse Bos psychiatric institution. He and his wife Marianne Troeder lived on the grounds of the institution on the Zutphenscheweg.
Amsterdam municipal archive, Records Jokos, Möbel-claim 18804; property Joods Maatschappelijk Werk
In addition, a Jokos file (number 18804) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.