Harry was the second son of Arthur and Eva Eliza Ann (nee Smith) Covington born in January 1890 at Ashwell, Hertfordshire. He was a pupil of the Merchant Taylors School in Ashwell.
Harry was the eldest son of Julius James Eversden and Emma (nee Harradine) Eversden, born at Islington, Middlesex on 7 November 1879. He was christened in Ashwell and he was a pupil at the Merchant Taylors School in Ashwell.
David was born at King Williamstown, Cape Colony, South Africa on 2 November 1877 to David and Martha Gamble.
Albert was born in 3rd quarter 1885 at Ashwell, Hertfordshire, the elder son of Albert and Annie Mary (nee Bailey). The family moved to the London area when Albert Victor was about two years old.