Harry was born on 21 December 1896 in Ashwell, Hertfordshire the third son of Henry and Anna (nee Ebsworth) Bonnett. He was a pupil at the Merchant Taylors School in Ashwell.
Leonard was the seventh and youngest son of Samuel and Ruth (nee Hayden), born in Thriplow, Cambridgeshire on 25 August 1898. He was a pupil at the Merchant Taylors School in Ashwell.
Albert was the third son of Alfred and Hannah (nee Chamberlain) Ingrey, born at Bassingbourn, Cambridgeshire on 26 September 1893. He was a pupil at the Merchant Taylors School in Ashwell, Hertfordshire.
William was born on 28 April 1898 at Guilden Morden, Cambridgeshire, the first son of Frederick Thomas and Sarah Jane (nee Picking) Randall. By 1911 the Randall family had moved to Partridge Hill, Ashwell and William was a pupil at the Merchant Taylors School.
Walter was the fourth son of John and Elizabeth (nee Sale) Sale of Hinxworth born on 11 November 1883.