Basic Details Surname Sykes Forenames Mark Gender Not stated on memorial Information stated on memorial Alternative surname Sir, Baronet War First World War (1914-1918) Served or died Served Notes He died of pneumonia whilst at the Versailles Peace Conference. Primary Service As stated on memorial Service (Primary - Stated) Army Rank / Title (Primary - Stated) L Col Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Yorkshire Regiment Rank / Title (Primary - Our reference) Lieutenant Colonel