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Sofya Aleksandrovna von Dreyer was born 19 May 1957 in Saint Petersburg, Russia and died 1918 Arkhangelsk, Arkhangelsk Oblast, Russia of unspecified causes. She married Mikhail Mikhailovich Dolgorukov (1860-1913) 1889 in Saint Petersburg, Russia.
Children
| Name | Birth | Death | Joined with |
| Mikhail Mikhailovich Dolgorukov (1891-1937) | 15 January 1891 Saint Petersburg, Russian Empire, Russia | 11 December 1937 Tomsk, Tomsk Oblast, Russia | Lidiya Aleksandrovna Veryovkina (1898-1940) |
| Kseniya Mikhailovna Dolgorukova (1899-1957) | 8 January 1899 Saint Petersburg, Russia | 1957 | Mikhail Aleksandrovich of Russia (1878-1918) Mikhail Aleksandrovich Kozhin (1899-1928) Georgi Mikhailovich Mokeyev (1903-1942) |
| Mariya Mikhailovna Dolgorukova (1900-1989) | 1900 Saint Petersburg, Russia | 1989 | Jean de Colbert-Turgis (1899-1977) |
Siblings