1873 - 
1903-1964
| Maria Erika v.Hardenberg | |
| *: | 10 Feb 1903 |
| Hofgeismar | |
| +: | 15 Jul 1964 |
| Bad Oeynhausen | |
1894-1952
| Heinrich v.Schaumburg-Lippe | |
| *: | 25 Sep 1894 |
| B | |
| +: | 11 Nov 1952 |
| B | |
| Carl Albrecht v.Hardenberg | |
| *: | 2 Mrz 1905 |
1906-
| Elisabeth v.Sethe | |
| *: | 26 Aug 1906 |
|
1873-
| Albert v.Hardenberg | |
| *: | 27 Mrz 1873 |
1883-1965
| Waltraut v.Arnim | |
| *: | 21 Apr 1883 |
| oo: | 1901 |
| +: | 24 Jul 1965 |
