1869 - 1957 (88 years)
| Peter OLDENBURG 1908-1980 |
| Peter OLDENBURG | |
| B: | 1908 |
| D: | 1980 |
Irene OVCHINNIKOV 1904- |
| Irene OVCHINNIKOV | |
| B: | 1904 |
| M: | 1939 |
| Eugenia OLDENBURG 1910- |
| Eugenia OLDENBURG | |
| B: | 1910 |
| Prince Dominic RADZIWILL 1911-1976 |
| Prince Dominic RADZIWILL | |
| B: | 1911 |
| M: | 1938 |
| D: | 1976 |
| Duke Raymond Of Castel 1907- |
| Duke Raymond Of Castel | |
| B: | 1907 |
| M: | 1949 |
|
| George OLDENBURG 1869-1957 |
| George OLDENBURG | |
| B: | 1869 |
| D: | 1957 |
| Mary 1882-1962 |
| Mary | |
| B: | 1882 |
| M: | 1907 |
| D: | 1962 |
