Basic Details Surname Martin Forenames John Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Notes Commemorated on the Tyne Cot Memorial, Belgium. Primary Service As stated on memorial Unit (Primary - Stated) Grenadier Guards Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Grenadier Guards Death and Burial details Year of death 1917 Month of death October Day of death 12 Age at death 24 Manner of death as stated Killed in Action Manner of death reference Killed in Action