| Male Prince Peter of_Oldenburg |
| Birth | 1868 | |
| Death | 1924 | |
| Burial | ||
| Marriage | Jul 1901 | |
| Divorced | Yes, date unknown | |
| Father | ||
| Mother | ||
| Female Grand Duchess Olga Alexandrovna Romanov |
| Birth | 1 Jun 1882 | |
| Death | 24 Nov 1960 | East Toronto,Ontario,,Canada |
| Burial | 30 Nov 1960 | York Cemetery,Toronto,Ontario,Canada |
| Other Spouse | Colonel Nicholas Koulikovsky | F592 | |
| Marriage | 1916 | ,,,Russia |
| Father | Tsar of Russia Alexander_III Alexandrovich Romanov | F9 Group Sheet | |
| Mother | Tsarina Dagmar "Marie" of_Denmark | F9 Group Sheet | |