Basic Details Surname Kilner Forenames Bertram Dension Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Service (Primary - Stated) Navy (RN) Unit (Primary - Stated) Royal Naval Air Service Rank / Title (Primary - Stated) Flight Commander Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Naval Air Service Rank / Title (Primary - Our reference) Flight Commander Death and Burial details Country of death North Sea Year of death 1917 Month of death September Day of death 25 Age at death 22 Manner of death as stated Gave his Life Personal Details Relationships Younger Son Of William & Frances Kilner