This is the Van Gelder's Jazzband named “De Gaiety Hoppers”. From left to the right son Iwan van Gelder (who survived the Holocaust), father Aron van Gelder “the Nun”, an unknown pianist, son Alfred van Gelder and son Frits van Gelder. In the twenties or thirties they lived in Borne. Photo made about 1925.
Source: website stolpersteine Borne/familiegeschiedenis/familie van Gelder
This person is commemorated on a memorial in Borne. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.
Aron van Gelder and Rozali Stofkooper had another child, not living at home anymore, who survived the war.
Addition of a visitor of the website
In addition, a Jokos file (number 13586) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Jood…