Basic Details Surname Boissier Forenames William Arthur Charles 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) Royal Navy Unit (Primary - Stated) Royal Marine Artillery Sub-unit (Primary - Stated) Not Stated on the Memorial Rank / Title (Primary - Stated) Lieutenant Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) Royal Marine Artillery Rank / Title (Primary - Our reference) Lieutenant Death and Burial details Country of death Off Belgium Year of death 1917 Month of death July Day of death 27 Age at death 27 Manner of death as stated Accidentally drowned off Belgium Manner of death reference Other