Basic Details Surname Sewell Forenames Geoffrey Bygrave 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) London Regiment Sub-unit (Primary - Stated) 4th Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Royal Fusiliers (City of London Regiment) Death and Burial details Country of death France Town of death Cambrai Country of burial France Year of death 1917 Month of death December Day of death 21 Age at death 20 Manner of death as stated killed in action Manner of death reference Killed in Action