Basic Details Surname Edmonstone Forenames William George Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Notes was a pupil at Eton 1909-1915 Primary Service As stated on memorial Service (Primary - Stated) Army (British) Unit (Primary - Stated) Coldstream Guards Rank / Title (Primary - Stated) Lieutenant Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Coldstream Guards Rank / Title (Primary - Our reference) Lieutenant Death and Burial details Country of death France Year of death 1916 Month of death September Day of death 15 Manner of death as stated Killed in action Manner of death reference Killed in Action