William was the son of William and Ann (nee Waldock) Barnes born on 6 July 1894 at Finsbury Park, Middlesex. He was a pupil of the Merchant Taylors School in Ashwell.
William was the twin son of Frederick and Selina (nee Barton) born in Hinxworth, Hertfordshire on 10 July 1888.
Henry was born on 7 March 1876 at Ashwell, Hertfordshire, the elder son of Frederick and Mary Ann (nee Chalkley). He was a pupil at the Merchant Taylors School in Ashwell.
Samuel was born at Therfield, Hertfordshire on 28 May 1858, the fourth son of James and Hannah (nee Nunn) Bullard.