Basic Details Surname Palmer Forenames Derek William Onslow 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) Army (British) Unit (Primary - Stated) East Yorkshire Regiment Sub-unit (Primary - Stated) 10th Battalion Rank / Title (Primary - Stated) Lieutenant Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) East Yorkshire Regiment Rank / Title (Primary - Our reference) Lieutenant Death and Burial details Town of death Serre Town of burial Bertrancourt Cemetery English Soldiers Cemetery Year of death 1916 Month of death June Day of death 4 Manner of death as stated Killed In Action Manner of death reference Killed in Action Personal Details Relationships SON OF THOMAS WILLIAM PALMER & EDITH FIERINES HIS WIFE