When Ethel Grace Tregunna was born on 2 June 1899, in Royal Borough of Kensington and Chelsea, London, England, United Kingdom, her father, William Henry Tregunna, was 39 and her mother, Ada Rhoda Steel, was 33. She married John Ormsby Saltford on 24 December 1915. They were the parents of at least 1 son and 3 daughters. She died on 1 March 1974, at the age of 74.