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