| Kathert, Auguste | Ellmers | Kathert Paul Otto Carl | 1940 |
| Kathert, Herm. Paul | Kathert Louis Leonhard Paul | 1894 | |
| Kathert, Hinrich Diedrich Raul | 1942 | ||
| Kathert, Louis Leonhard Paul | 1921 | ||
| Kathert, Marie | Köhnken | Kathert Louis Leonhard Paul | 1923 |
| Kathert, Paul Otto Carl | 1944 |