1852 - 1931 (78 Jahre)
| Nicolaus Friedrich v.Oldenburg 1897-1970 |
| Nicolaus Friedrich v.Oldenburg | |
| *: | 10 Aug 1897 |
| Oldenburg | |
| +: | 3 Apr 1970 |
Helene.II v.Waldeck-Pyrmont 1899-1948 |
| Helene.II v.Waldeck-Pyrmont | |
| *: | 12 Dez 1899 |
| Arolsen | |
| +: | 18 Feb 1948 |
| Anna Maria v.Schutzbar 1903-1991 |
| Anna Maria v.Schutzbar | |
| *: | 3 Jul 1903 |
| Hann.-M | |
| +: | 1 Jan 1991 |
| Ingeborg Alix. v.Oldenburg | |
| *: | 1901 |
| Oldenburg | |
| Stephan Alex. v.Schaumburg-Lippe | |
| *: | 21 Jun 1891 |
| Stadthagen | |
| Altburg v.Oldenburg 1903- |
| Altburg v.Oldenburg | |
| *: | 19 Mai 1903 |
| Oldenburg | |
| Josias Georg v.Waldeck-Pyrmont | |
| *: | 13 Mai 1896 |
| Arolsen | |
|
| Friedrich August v.Oldenburg 1852-1931 |
| Friedrich August v.Oldenburg | |
| *: | 16 Nov 1852 |
| Oldenburg | |
| +: | 24 Feb 1931 |
| Oldenburg | |
| Elisabeth Alexa. v.Mecklenburg-Schwerin 1869-1955 |
| Elisabeth Alexa. v.Mecklenburg-Schwerin | |
| *: | 10 Aug 1869 |
| Ludwigslust | |
| oo: | 24 Okt 1896 |
| Schwerin | |
| +: | 3 Sep 1955 |
