Basic Details Surname De Blaquiere Forenames Allan Boyle Gender Male Information stated on memorial Alternative surname War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Service (Primary - Stated) not stated on memorial Unit (Primary - Stated) Sub-unit (Primary - Stated) Rank / Title (Primary - Stated) Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS Antrim Rank / Title (Primary - Our reference) Sub Lieutenant Death and Burial details Country of death Heligoland Cemetery CHATHAM NAVAL MEMORIAL Year of death 1917 Month of death January Day of death 25 Age at death 21 Manner of death as stated lost through enemy action Manner of death reference Killed in Action