Arthur was the only son of William and Elizabeth (nee Ellis) Canfield born at Ashwell on 2 February 1884. He was a pupil at the Merchant Taylors School in Ashwell, Hertfordshire.
Herbert George was born in Ashwell Hertfordshire on 3 January 1888, the eldest son of Herbert and Anna Maria (nee Reynolds) Clements. He was a pupil at the Merchant Taylors School in Ashwell.
Ralph was the second son of Amos Covington and Elizabeth (nee Waldock) Covington, born at Islington, London in the 1st quarter 1898.