Basic Details Surname Eyden Forenames Herbert Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) Royal Air Force Sub-unit (Primary - Stated) 21st Squadron Our References Service (Primary - Our reference) British Army Rank / Title (Primary - Our reference) Captain Death and Burial details Cemetery Mendinghem Military Cemetery Year of death 1918 Month of death April Day of death 7 Age at death 27