Basic Details Surname Llewelyn Forenames R H Gender unknown Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) H M S Queen Mary Rank / Title (Primary - Stated) Commdr Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS Queen Mary Rank / Title (Primary - Our reference) Commander Death and Burial details Year of death 1916