Basic Details Surname Penn Forenames Geoffrey Mark Gender Male Information stated on memorial Alternative forename First initial is incorrectly recorded on the memorial as "C". War First World War (1914-1918) Served or died Died Notes Noted as 'Attached SLI' - this stands for Somerset Light Infantry. Primary Service As stated on memorial Service (Primary - Stated) Army (British) Unit (Primary - Stated) Rifle Brigade Sub-unit (Primary - Stated) 6th Battalion Rank / Title (Primary - Stated) Second Lieutenant Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Rifle Brigade Rank / Title (Primary - Our reference) Second Lieutenant Secondary Service As stated on memorial Unit (Secondary - Stated) S.L.I. Rank / Title (Secondary - Stated) Second lieutenant Our references Service (Secondary - Our reference) British Army Unit (Secondary - Our reference) Somerset Light Infantry Rank / Title (Secondary - Our reference) Second Lieutenant Death and Burial details Country of death Belgium Town of death Ploegstreert Year of death 1915 Month of death December Day of death 11 Age at death 28 Manner of death as stated Killed in Action Manner of death reference Killed in Action