Basic Details Surname Marshall Forenames John Edward Gender Male Information stated on memorial War Second World War (1939-1945) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) HMS Seahorse Our References Service (Primary - Our reference) Royal Navy Unit (Primary - Our reference) HMS Seahorse Death and Burial details Year of death 1940 Month of death January Day of death 12 Age at death 29 Manner of death as stated Lost Manner of death reference Killed in Action