| Duffner, Anna Diederike | Tweitmann | 1906 | Bremen 1 |
| Duffner, Anneliese | Lange | 1978 | Bremen-Mitte |
| Duffner, Heinz Josef | 1929 | Farge | |
| Duffner, Helene Wilhelmine Pauline | Boohmgarn | 1953 | Bremen-Mitte |
| Duffner, Hertha Anneliese | Starke | 1988 | Bremen-Nord |
| Duffner, Joh. Chrisostomus | 1890 | Bremen | |
| Duffner, Johann Heinrich Wilhelm | 1954 | Bremen-Mitte | |
| Duffner, Josef | 1943 | Bremen-Vegesack | |
| Duffner, Karl | 1982 | Bremen-Mitte | |
| Duffner, Katharine | Heusel | 1980 | Bremen-Nord |
| Düffner, Marie Christine Wilhelmine Doroth. | Thielken | 1886 | Bremen |
| Duffner, Ronald | 1959 | Bremen-Mitte |