Basic Details Surname Sumner Forenames Leonard 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) Royal Berkshire Regiment Sub-unit (Primary - Stated) 2nd/4th Battalion Our References Unit (Primary - Our reference) The Princess Charlotte of Wales (Royal Berkshire Regiment) Death and Burial details Country of death France Year of death 1916 Month of death July Day of death 13 Age at death 22 Manner of death as stated Killed In Action Manner of death reference Killed in Action