Granville Leveson-Gower, 3rd Earl Granville British diplomat; Earl in the Peerage of the United Kingdom (1872-1939) (1872–1939) Parents Castalia Rosalind Campbell Granville Leveson-Gower, 2nd Earl Granville Children Siblings Sophia Leveson-Gower Victoria Leveson-Gower Lady Susan Leveson-Gower William Leveson-Gower, 4th Earl Granville Partners Nina Ayesha Baring