Ernst, Maxborn 2. April 1891 in Brühl (Rhein-Erft-Kreis); died 1. April 1976 in Paris
Rosenfeld, Kurtborn 1. February 1877 in Marienwerder; died 25. September 1943 in New York, NY
Stefan, Paulborn 25. November 1879 in Brünn; died 12. November 1943 in New York, NY