This person lived alone or no information about family members is known or traceable.
In addition, a Jokos file (number 18796) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, Maurits van Praag had an eyeglasses, addres…