Hugo Oppenheim 5 Feb 1847 - 23 Jan 1921 (1847–1921) Parents Otto Georg Oppenheim Margarethe Anna Henrietta Oppenheim (Mendelssohn) Children Robert Oppenheim Else Anna Dorothea Block Siblings Enole Mendelssohn Bartholdy (Oppenheim) Franz Oppenheim Elisabeth (Else) Rosa Marianne Mendelssohn Bartholdy