Yvonne Cornwallis (1896-1983) (1896–1983) Parents Mabel Leigh Fiennes Cornwallis, 1st Baron Cornwallis Children Alison Yvonne Cecil Rachel Mary Cecil Nigel Cecil Siblings Vere Mabel Cornwallis Oswald Cornwallis Julia Dorothy Cornwallis Fiennes Wykeham Mann Cornwallis Wykeham Cornwallis, 2nd Baron Cornwallis Bridget Frances Kate Cornwallis Partners Henry Mitford Amherst Cecil