| Jack, Wilhelmine Bertha Dora | 1903 | Grohn | |
| Jack, Louise Auguste Helene | Bielfeld | 1902 | Bremen |
| Jack, Herman | Großhaus | 1902 | Bremen |
| Jack, Gustav | Großhaus | 1900 | Bremen |
| Jack, Elsa Johanne Christiana | 1902 | Grohn | |
| Jack, Berta Charlotte Sophie | Lankenau | 1910 | Bremen 1 |
| Jack, August. | Großhaus | 1903 | Bremen 1 |
| Jack, Anna | Großhaus | 1904 | Bremen 2 (Hastedt) |