| Duffner, Anna Diederike | Tweitmann | Duffner Johann Chrisostomus | 1906 |
| Duffner, Helene Wilhelmine Pauline | Boohmgarn | Duffner Johann Heinrich Wilhelm | 1953 |
| Duffner, Joh. Chrisostomus | 1890 | ||
| Duffner, Johann Gerhard | Duffner Karl | 1945 | |
| Duffner, Johann Heinrich Wilhelm | 1954 | ||
| Düffner, Marie Chr.ne Wilh. Doroth. | Thielken | Düffner Joh. Chrisostomus | 1886 |
| Duffner, Ronald | 1959 |