Basic Details Surname Teasdale Forenames Septimus R 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) East Yorkshire Regiment Sub-unit (Primary - Stated) 7th Bn Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The East Yorkshire Regiment (The Duke of York's Own) Death and Burial details Country of death France Year of death 1917 Month of death April Day of death 21 Age at death 21 Manner of death as stated Killed In Action Manner of death reference Killed in Action