Frank was born in Ashwell, Hertfordshire in1898 the third son of John Worboys Burton and Margaret Jane (nee Humphreys) Burton. He was a pupil at the Merchant Taylors School in Ashwell.
Edward was born in the Hitchin District, Hertfordshire on 4 December 1887, the fourth son of William and Jane (nee Giles) Gray.
Eugene was born at Ashwell, Hertfordshire on 20 December 1880, the second son of Charles and Annie (nee Stamford) Strickland. He was a pupil at the Merchant Taylor School in Ashwell.