Source: November 1917 War Diary. TOS on November 24, 1917.
Find-A-Grave
Family Search: When Lieutenant William Henry Jervis Krietzer was born on 7 March 1886, his father, August Frederick Kreitzer, was 18 and his mother, Agnes Jervis, was 21. He married Eva Pearl Cousins on 28 August 1907, in Brandon, Manitoba, Canada. They were the parents of at least 2 daughters. He immigrated to Vermont, United States in 1919 and lived in London, Canada West, British Colonial America in 1911. He registered for military service in 1916. In 1916, at the age of 30, his occupation is listed as jeweler. He died in June 1960, in Toronto, Ontario, Canada, at the age of 74.
AKA William Henry Jervis Brown. Official documents used Kreitzer.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 