Basic Details Surname Keightley Forenames Percy Charles Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Prince of Wales`s Own Regiment of Yorkshire Rank / Title (Primary - Our reference) Private Death and Burial details Country of death France Country of burial France Town of burial Marfaux Cemetery Marfaux British Cemetery Year of death 1918 Month of death July Day of death 20 Age at death 20 Manner of death as stated Killed in action Manner of death reference Killed in Action