Granville Leveson-Gower, 5th Earl Granville peer (1918-1996) (1918–1996) Parents William Leveson-Gower, 4th Earl Granville Rose Leveson-Gower, Countess Granville Children Granville Leveson-Gower, 6th Earl Granville Lady Marcia Leveson-Gower Niall Leveson-Gower Siblings Lady Mary Leveson-Gower Partners Doon Aileen Plunket