| Zak, Aline Christine | Sprathoff | 1896 | Bremen |
| Zak, Anna | Sprathoff | 1893 | Bremen |
| Zak, Antonie Wilhelmine | Brümmer | 1888 | Bremen |
| Zak, Bertha Antonia Wilhelmine Elisabeth | Brümmer | 1886 | Bremen |
| Zak, Carl Wilhelm | Brümmer | 1890 | Bremen |
| Zak, Franz Joseph | Bröking | 1883 | Bremen |
| Zak, Friedrich Georg Conrad | Bröking | 1890 | Bremen |
| Zak, Heinrich Adalbert | Brümmer | 1884 | Bremen |