Basic Details Surname Harvard Forenames Lionel De Jersey 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) Grenadier Guards Sub-unit (Primary - Stated) 1st Battalion Rank / Title (Primary - Stated) Captain Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Grenadier Guards Rank / Title (Primary - Our reference) Captain Death and Burial details Country of death France Country of burial France Town of burial Boisleux-au-Mont Cemetery Boisleux-au-Mont Communal Cemetery Year of death 1918 Month of death March Day of death 30 Age at death 24 Manner of death as stated Killed in action Manner of death reference Killed in Action