Basic Details Surname Whitaker Forenames Trevor 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) ROYAL NAVY Rank / Title (Primary - Stated) Lieutenant Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) The Honourable Artillery Company Rank / Title (Primary - Our reference) Lieutenant Death and Burial details Year of death 1915 Month of death January Day of death 18 Age at death 23 Manner of death as stated Lost with Submarine E.10 off Heligoland Manner of death reference Other