Basic Details Surname Grewcock Forenames William Ernest Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Service number 12663 Primary Service As stated on memorial Unit (Primary - Stated) Essex Regiment Sub-unit (Primary - Stated) 9th Battalion Rank / Title (Primary - Stated) Pte Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Essex Regiment Rank / Title (Primary - Our reference) Private