Basic Details Surname Castle Forenames Ern Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Service number 45633 Primary Service Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Northamptonshire Regiment Rank / Title (Primary - Our reference) Private Death and Burial details Country of death France Country of burial France Town of burial Hangard Cemetery Hangard Communal Cemetery Extension Year of death 1918 Month of death April Day of death 5 Age at death 29 Manner of death as stated Killed in action Manner of death reference Killed in Action