| Umstädter, Adolf Heinrich | Köster | 1895 | Bremen |
| Umstädter, Anna Charlotte | Köster | 1905 | Bremen 1 |
| Umstädter, Dorothee Annette | Köster | 1900 | Bremen |
| Umstädter, Franziska Elisabeth | Köster | 1893 | Bremen |
| Umstädter, Frieda | Köster | 1909 | Bremen 1 |
| Umstädter, Johann Friedrich | Köster | 1901 | Bremen |
| Umstädter, Johann Friedrich | Köster | 1903 | Bremen 1 |
| Umstädter, Louise Lina | Köster | 1898 | Bremen |
| Umstädter, Rosa | Köster | 1907 | Bremen 1 |
| Umstädter, Walter | Köster | 1913 | Bremen 1 |