| Margarita Oldenburg (maid. name of Greece and Denmark) | |
| B: | 18 Apr 1905 |
| Mon Repos, Isle of Kerkira, Corfu, Greece | |
| D: | 24 Apr 1981 |
| Bad Wiessee, Miesbach, Bayern, Germany | |
| Theodora Oldenburg Von Danemark |
| Theodora Oldenburg Von Danemark | |
| B: | 13 May 1906 |
| Athínai, Attiki, Attiki, Greece | |
| D: | 16 Oct 1969 |
| Büdingen, Merzig-Wadern, Saarland, Germany | |
| Cecilie ( Princess Cecilie of Greece and Denmark) Oldenburg | |
| B: | 22 Jun 1911 |
| Tatoi, Athínai, Attiki, Greece | |
| D: | 16 Nov 1937 |
| Steene, Ostend, Belgium | |
| Sophie Oldenburg |
| Sophie Oldenburg | |
| B: | 26 Jun 1914 |
| Villa Mons Repos, Corfu, Ionian Islands, Greece | |
| D: | 3 Nov 2001 |
| Munich, Stadt Munchen, Bayern, Germany | |
| Andrew (Prince of Greece and Denmark) OLDENBURG MONTBATTEN | |
| B: | 2 Feb 1882 |
| Athínai, Attiki, Attiki, Greece | |
| D: | 3 Dec 1944 |
| Monte Carlo, Monaco | |
| Princess Alice Victoria Elisabeth Of Battenberg Mountbatten | |
| B: | 25 Feb 1885 |
| Windsor Castle, Berkshire, , England | |
| M: | 7 Oct 1903 |
| Hesse, Darmstadt, Hessen, Germany | |
| D: | 5 Dec 1969 |
| London, Buckinghamshire, , England | |
| William I George Christain (King of Greece ) Oldenburg | |
| B: | 24 Dec 1845 |
| København, Kobenhavn, Denmark | |
| D: | 18 Mar 1913 |
| Thessaloníki, Thessaloniki, Central Macedonia, Greece | |
| Olga Constantinovna Princess of Greece Romanov | |
| B: | 3 Sep 1851 |
| Pavlovsk, Altai Mountains, Russia | |
| M: | 1867 |
| Winter Palace, St Petersburg, Russia | |
| D: | 18 Jun 1926 |
| Rome, Roma, Lazio, Italy | |
| Christopher Oldenberg |
| Christopher Oldenberg | |
| B: | 1867 |
| D: | 1873 |
| Constantine I, King of Greece, Oldebburg |
| Constantine I, King of Greece, Oldebburg | |
| B: | 2 Aug 1868 |
| Athínai, Attiki, Greece | |
| D: | 11 Jan 1923 |
| Palermo, Sicilia, Italy | |
| George, High Commissioner of Crete, Oldenburg | |
| B: | 1869 |
| Corfu, Greece | |
| D: | 1957 |
| Chateau de Saint Cloud, Ile-de-France, France | |
| Alexandra Georgievna, Grand Duchess, Oldenburg | |
| B: | 10 Aug 1870 |
| Kérkyra, Ionian Islands, Greece | |
| D: | 24 Sep 1891 |
| Moskva, Moscow City, Russia | |
| Nicholas, Prince of Greece, Oldenburg |
| Nicholas, Prince of Greece, Oldenburg | |
| B: | 9 Jan 1872 |
| Athínai, Attiki, Attiki, Greece | |
| D: | 8 Feb 1938 |
| Athínai, Attiki, Attiki, Greece | |
| Marie Georgiviena, Princess of Greece, George | |
| B: | 20 Feb 1876 |
| Athínai, Greece | |
| D: | 14 Dec 1940 |
| Athínai, Greece | |
| Olga Schleswig Holstein Sonderburg |
| Olga Schleswig Holstein Sonderburg | |
| B: | 7 Apr 1880 |
| Athens, Greece | |
| D: | 2 Nov 1880 |
| Athens, Greece | |
| Christopher, Prince of Greece, Schleswig Holstein | |
| B: | 11 Aug 1888 |
| Pavlovsk, Altai Mountains, Russia | |
| D: | 21 Jan 1940 |
| Athens, Athens, Ohio, United States | |
| Unknown |
| Louise Wilhelmina Fredricka Carolina Hesse Kassel Rumpenheim | |
| B: | 7 Sep 1817 |
| Cassel, Ahrweiler, Rheinland-Pfalz, Germany | |
| D: | 29 Sep 1898 |
| Bernstorff, Ludwigslust, Mecklenburg-Vorpommern, Germany | |
| Christian IX, King of Denmark, Oldenburg |
| Christian IX, King of Denmark, Oldenburg | |
| B: | 8 Apr 1818 |
| Gottorp, Ostergotland, Sweden | |
| D: | 29 Jan 1906 |
| København, Kobenhavn, Denmark | |