| Düker, Alb. Diedr. | Westermann | 1905 | Bremen 1 |
| Düker, Anna Meta | Westermann | 1892 | Bremen |
| Düker, Ansgar | Waldmann | 1909 | Grohn |
| Düker, Carl | Nahrmann | 1900 | Bremen |
| Düker, Carl Friedr. Wilh. | Nahrmann | 1898 | Bremen |
| Düker, Heinrich | Westermann | 1893 | Bremen |
| Düker, Heinrich | Nahrmann | 1895 | Bremen |
| Düker, Heinrich | 1906 | Grohn | |
| Düker, Helmut Ludwig August | Hartwig | 1913 | Bremen 1 |
| Düker, Johann Hinrich | Westermann | 1898 | Bremen |
| Düker, Johann Wilh. | Nahrmann | 1896 | Bremen |
| Düker, Lina Amalie Hildegard | Hartwig | 1909 | Bremen 1 |
| Düker, Wilhelm Ferdinand | 1904 | Grohn |