Aston McNeill Cooper-Key British Army officer, who served as the UK government's Chief Inspector of Explosives (1861-1930) (1861–1930) Parents Astley Cooper Key Charlotte Lavinia McNeill Children Siblings Muriel Evelyn Cooper-Key Herbert Cooper-Key Everly Cooper-Key Edmund Moore Cooper-Key Maud Margaret Key Stawell Rose Champion de Crespigny Astley Dundas Cooper Cooper-Key