| Cosack, Carl Albert Ulrich | 1924 | ||
| Cosack, Emilie Louise Amalie Auguste Helene | Lengerke, von | Cosack Carl Albert Ulrich, Dr. phil. | 1932 |
| Cosack, Kaspar Karl Albert Bruno Konrad Richard | 1945 | ||
| Cosack, Margarete Anna Marie Elise | Gernet, von | Cosack Karl Albert Heinrich Helmut, Dr. med. | 1971 |