| Role | Name | Birth | Death | Sex |
|---|---|---|---|---|
| Father | William George_I of_the_HellenesOldenburg | 24 DEC 1845 | 18 MAR 1913 | Male |
| Mother | Olga Constantinovna | 1851 | 1926 | Female |
| Child | Constantine_I Oldenburg | 2 AUG 1868 | 11 JAN 1923 | Male |
| Child | George Oldenburg | 1869 | 1957 | Male |
| Child | Alexandra of_Greece | 1870 | 1891 | Female |
| Child | Nicholas of_Greece | 1872 | 1938 | Male |
| Child | Mary | 1876 | 1940 | Female |
| Child | Andrew of_Greece | 1882 | 1944 | Male |
| Child | Christopher Oldenburg | 1888 | 1940 | Male |
| Child | Olga | Alive | Female |