| Althage, Christine Auguste | Watermann | 1886 | Bremen |
| Althage, Elise Anna | Watermann | 1891 | Bremen |
| Althage, Herm. Heinr. | Watermann | 1884 | Bremen |
| Althage, Hermann Aug. | Watermann | 1889 | Bremen |
| Althage, Johann Wilh. | Watermann | 1896 | Bremen |
| Althage, Louise | Watermann | 1893 | Bremen |
| Althage, Heinrich August | Suhling | 1911 | Bremen 1 |
| Althage, Karl Friedrich Heinrich | Suling | 1912 | Bremen 1 |
| Althage, Sophie Marie | Suhling | 1911 | Bremen 1 |