| Küpper, Anneliese | Meyer | 1913 | Bremen 1 |
| Kupper, Friedrich Karl Willy | Wittenberg | 1908 | Bremen 1 |
| Küpper, Heinrich Albert Theodor | Helmes | 1906 | Bremen 1 |
| Küpper, Irmgard | Nothdurft | 1906 | Bremen 1 |
| Küpper, Robert | Nothdurft | 1909 | Bremen 1 |
| Küpper, Wilma | Nothdurft | 1905 | Bremen 1 |