Gunilla Bergsten was born 12 February 1889 in Stockholm, Uppland, Sweden to Osvald Bergsten (1865-1930) and Lempi Juntunen (1867-1934) and died 12 January 1950 Minneapolis, Minnesota, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Joachim Baumstark (1914-1979) | 22 October 1914 Minneapolis, Minnesota, United States | 17 January 1979 Seattle, Washington, United States | Charlotte Ballantine (1916-1996) |
Siblings
| Name | Birth | Death | Joined with |
| Gunilla Bergsten (1889-1950) | 12 February 1889 Stockholm, Uppland, Sweden | 12 January 1950 Minneapolis, Minnesota, United States | Arnold Baumstark (1885-1959) |