Henry Sidney John Streatfeild was born 30 April 1886 in Ottawa, Ontario, Canada to Henry Streatfeild (1857-1938) and Florence Beatrice Anson (1860-1946) and died 22 May 1949 Hendon, Greater London, England, United Kingdom of unspecified causes. He married Dorothy Cooper (1887-1961) 22 July 1908 .
|Offspring of Henry Sidney John Streatfeild and Dorothy Cooper (1887-1961)|
|Henry Daniel David Streatfeild (1909-)|
|Averil Streatfeild (1911-1977)||2 April 1911 40 Grosvenor Square, Mayfair, Greater London, England, United Kingdom||4 June 1977 Frant, Sussex, England, United Kingdom||John Prescott Hallett (1909-1982) John Prescott Hallett (1909-1982) John Charles Henry Pratt, 5th Marquess Camden (1899-1983)|
|Rosemary Streatfeild (1913-)|