Helen Marjorie Manningham-Buller (1913-1972) (1913–1972) Parents Mervyn Manningham-Buller Lilah Constance Cavendish Children Siblings Myra Manningham-Buller Reginald Manningham-Buller, 1st Viscount Dilhorne Evelyn Constance Manningham-Buller Pamela Lilah Manningham-Buller