Helen Suzette Crowninshield was born 28 July 1868 in Paris, France to Frederic Crowninshield (1845-1918) and Helen Suzette Fairbanks (1841-1921) and died 14 June 1941 Manhattan, New York, United States of unspecified causes. She married Carl August de Gersdorff (1865-1944) 28 September 1895 .
|Offspring of Helen Suzette Crowninshield and Carl August de Gersdorff (1865-1944)|
|Josephine de Gersdorff (1896-1975)||18 June 1896 Manhattan, New York, United States||15 October 1975 Beverly, Essex County, Massachusetts, United States||Frederick Josiah Bradlee, Jr. (1892-1970)|
|Alma de Gersdorff (1897-)|
|Caspar de Gersdorff (1901-)|