Basic Details Surname Denley Forenames John 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) Merchant Navy Unit (Primary - Stated) Merchant Marine Sub-unit (Primary - Stated) SS Sowwell Rank / Title (Primary - Stated) Chief Engineer Our References Service (Primary - Our reference) Merchant Navy Rank / Title (Primary - Our reference) Chief Engineer Death and Burial details Year of death 1917 Month of death April Day of death 19 Age at death 34 Manner of death as stated Lost at sea due to enemy submarine action