Sidney was the sixth son of Benjamin and Esther (nee Huffer), born on 4 April 1899 in Ashwell, Hertfordshire. He was a pupil at the Merchant Taylors School in Ashwell.
Ernest was born on the 4 December 1900 at Ashwell, Hertfordshire, the second son of Herbert George and Nellie Sarah Jane (nee Westerman) Westerman. He was a pupil at the Merchant Taylors School in Ashwell until the end of November 1913 when, according to the school records, he left to take work as a bottle washer at a brewery having reached exemption age.
George was born in the 13 August 1877 at Ashwell, Hertfordshire the third son of James and Elizabeth (nee Rawlins) Worboys. He was a pupil at the Merchant Taylors School in Ashwell.