1851 - 1914 (63 Jahre)
| Dietrich v.Hardenberg 1905- |
| Dietrich v.Hardenberg | |
| *: | 24 Mrz 1905 |
Ingeborg R v.Collenberg 1903- |
| Ingeborg R v.Collenberg | |
| *: | 25 Mai 1903 |
|
| Werner v.Hardenberg 1851-1914 |
| Werner v.Hardenberg | |
| *: | 23 Jan 1851 |
| +: | 6 Apr 1914 |
| Potsdam | |
| Hedwig v.B 1859-1939 |
| Hedwig v.B | |
| *: | 5 Aug 1859 |
| +: | 29 Apr 1939 |
| Potsdam | |
