Sonia Bruhns was born 18 August 1913 in Moscow, Russia to Alexander Bruhns (1883-1964) and Tatyana Malenkova (1884-1963) and died 28 October 1996 Berlin, Germany of unspecified causes. She married Teophil Demetriescu (1891-1958) 1936 in Berlin, Germany.
Children
| Name | Birth | Death | Joined with |
| Barbara Demetriescu (1938-2018) | 17 April 1938 Berlin, Germany | 2019 Berlin, Germany | Johann Stuchlick (1938-2013) |
Siblings
| Name | Birth | Death | Joined with |
| Sonia Bruhns (1913-1996) | 18 August 1913 Moscow, Russia | 28 October 1996 Berlin, Germany | Teophil Demetriescu (1891-1958) |
| Iraida Bruhns (1916-2011) | 8 August 1916 Kargopol, Kargopol Rayon, Arkhangelsk Oblast, Russia | 14 July 2011 Berlin, Germany | Reinhard Lubert (1911-c1990) Paul Wicke (1904-1977) |