Basic Details Surname Duff Forenames Douglas F G Gender Male Information stated on memorial War First World War (1914-1918) Served or died Served Primary Service As stated on memorial Service (Primary - Stated) Army Unit (Primary - Stated) 9th Lancers Rank / Title (Primary - Stated) Lieutenant Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) 9th Lancers (Queen`s Royal) Rank / Title (Primary - Our reference) Lieutenant