| Castner, Edgar Rudolf Hans Georg | Herzog | 1904 | Bremen 1 |
| Castner, Gustav Benno Richard Adolfi | Herzog | 1902 | Bremen 1 |
| Castner, Gustav Louis Conrad | Falk | 1878 | Bremen |
| Castner, Karl Hermann Richard | Deichsler | 1913 | Bremen 3 (Woltm.hsn) |
| Castner, Kurt Hermann Adalbert | Deichsler | 1910 | Bremen 3 (Woltm.hsn) |