Basic Details Surname Firestone Forenames Jonas Gender Male Information stated on memorial War First World War (1914-1918) Served or died Served Primary Service As stated on memorial Service (Primary - Stated) British Army Unit (Primary - Stated) Pembroke Yeo. Sub-unit (Primary - Stated) 3/1st Batt. Rank / Title (Primary - Stated) Pte. Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Pembroke Yeomanry (Castlemartin) Rank / Title (Primary - Our reference) Private