Arthur was born at Ashwell on 28 November 1885, the second son of John George and Elizabeth Jane (nee Lester) Bonfield. He was a pupil at the Merchant Taylors School in Ashwell.
John was born in Ashwell in 1898, fifth son of John George and Elizabeth Jane (nee Lester). John was pupil at the Merchant Taylors School in Ashwell.
Samuel was born in Ashwell, Hertfordshire on 28 February 1889 the fourth son of John George and Elizabeth Jane (nee Lester) Bonfield. He was a pupil at the Merchant Taylors School in Ashwell.