Basic Details Surname Sladen Forenames St Barbe Russell 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) QUEENS REGIMENT Rank / Title (Primary - Stated) Lieut-Colonel Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Queen's (Royal West Surrey Regiment) Rank / Title (Primary - Our reference) Lieutenant Colonel Death and Burial details Country of death France Town of death Passchendaele Ridge Country of burial Belgium Town of burial Ypres Cemetery Ypres Cemetery Year of death 1918 Month of death March Day of death 12 Age at death 45 Manner of death as stated Killed In Action Manner of death reference Killed in Action Status Notes Surname and regiment amended