Basic Details Surname Sinclair Forenames John Campbell 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) Seaforth Highlanders Sub-unit (Primary - Stated) 8th Rank / Title (Primary - Stated) Private Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Seaforth Highlanders (Ross-shire Buffs, The Duke of Albany`s) Rank / Title (Primary - Our reference) Private Death and Burial details Town of death Arras Town of burial Guemappe Cemetery British Cemetery Year of death 1918 Month of death April Day of death 23 Age at death 22 Manner of death as stated Killed in action Manner of death reference Killed in Action