1868 - 1923 (54 years)
1890-1947
| George II OLDENBURG, King Of Greece | |
| B: | 19 Jul 1890 |
| Tatoi, Near Athens, Greece | |
| D: | 1 Apr 1947 |
| Athens, , Anatolikis Attik?s, Greece | |
| Princess Elizabeth Of Romania HOHENZOLLERN | |
| B: | 12 Oct 1894 |
| Pelesch | |
| M: | 27 Feb 1921 |
| Bucharest, Romania | |
| D: | 14 Nov 1956 |
| Cannes, France | |
1923-1970
| King Peter II Of Yugoslavia | |
| B: | 6 Sep 1923 |
| Belgrade | |
| D: | 1970 |
1893-1920
| Alexander I OLDENBURG, King Of Greece | |
| B: | 1 Aug 1893 |
| Tatoi | |
| D: | 25 Oct 1920 |
| Athens, , Anatolikis Attik?s, Greece | |
1896-1972
| Aspasia MANOS | |
| B: | 4 Sep 1896 |
| Athens, , Anatolikis Attik?s, Greece | |
| M: | 4 Nov 1919 |
| Athens, , Anatolikis Attik?s, Greece | |
| D: | 7 Aug 1972 |
| Venice, , Veneto, Italy | |
| King Michael HOHENZOLLERN, King Of Romania | |
| B: | 25 Oct 1921 |
| Pelesch, Sinaia, Romania | |
| D: | 5 Dec 2017 |
| Princess Anne Of Bourbon-Parma, of Romania | |
| B: | 18 Sep 1923 |
| Paris, France | |
| M: | 10 Jun 1948 |
| Athens, , Anatolikis Attik?s, Greece | |
| D: | 1 Aug 2016 |
1896-1982
| Princess Helen Of Greece | |
| B: | 2 May 1896 |
| Athens, , Anatolikis Attik?s, Greece | |
| D: | 28 Nov 1982 |
| Lausanne, Switzerland | |
1893-1953
| Carol II HOHENZOLLERN, King Of Romania | |
| B: | 15 Oct 1893 |
| Castle Pelesch, Sinaia, Romania | |
| M: | 10 Mar 1921 |
| Athens, , Anatolikis Attik?s, Greece | |
| D: | 4 Apr 1953 |
| Villa Mar Y Sol, Estoril, Portugal | |
1901-1964
| Paul I OLDENBURG, King Of Greece | |
| B: | 14 Dec 1901 |
| Athens, , Anatolikis Attik?s, Greece | |
| D: | 6 Mar 1964 |
| Tatoi, Near Athens, Greece | |
1917-1981
| Princess Frederica Of Hanover HANOVER | |
| B: | 18 Apr 1917 |
| Blankenburg, Harz, Germany | |
| D: | 6 Feb 1981 |
| Madrid, Spain | |
1913-
| Child 6 | |
| B: | 1913 |
|
1868-1923
| Constantine I OLDENBURG, King Of Greece | |
| B: | 2 Aug 1868 |
| Athens, , Anatolikis Attik?s, Greece | |
| D: | 11 Jan 1923 |
| Palermo, Italy | |
1870-1932
| Sophie Of Prussia, Queen Of Greece | |
| B: | 14 Jun 1870 |
| Potsdam, Germany | |
| M: | 27 Oct 1889 |
| Athens, , Anatolikis Attik?s, Greece | |
| D: | 13 Jan 1932 |
| Frankfurt, Germany | |
