Find-A-Grave
Family Search: When Private Charles Numa Blencowe was born on 27 July 1892, in Birmingham, Warwickshire, England, United Kingdom, his father, Albert Levetus Blencowe, was 25 and his mother, Elizabeth Pratt, was 31. He married Ada Violet Reid on 12 August 1919, in London, Canada West, British North America. They were the parents of at least 1 daughter. He registered for military service in 1915. In 1915, at the age of 23, his occupation is listed as farmer. He died on 8 March 1962, in Roseville, Macomb, Michigan, United States, at the age of 69.
The Battle of the Scarpe was the last action of the war for Charles he was very badly injured and was shipped to England to the Royal Herbert Hospital Woolwich. he was discharged March 1919 but stayed for further hospitalisation in England. In August 1919 he married Ada Violet Reid and they returned to Canada. Charles later moved to the USA and died there in 1962.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 
Charles Numno Blencowe was born in Birmingham England 1892 his Father Albert Levetus 1866. Seems the family went for unusual second names. Charles Brother Albert Edward served with the Worcester Regt. from 1908 until 1919.
In 1916 on 16th Sept. Charles was posted to the front line in Tara Valley camp and joined 18th Bn. as one of 24 reinforcements. he served until he was invalided home to England in 1918.