Gunner RMA12399 Edmund Charles Dexter was killed or died as a direct result of enemy action while serving with the Royal Marines Artillery on the battlecruiser HMS Invincible, which was sunk during the Battle of Jutland on May 31st, 1916. His body was not found.

He was the eldest son of old soldier and sailor Mr Edmund E. Dexter and Mrs Sarah Dexter, of 5 Warwick Road, Luton. The son had been in the navy for seven years, was 26 years old, had been married for three years and had a wife and three-month-old baby living in Southsea.