Rosemary Sibell Guest (1906-1971) (1906–1971) Parents Ivor Guest, 1st Viscount Wimborne Alice Grosvenor Children Juliet Boyd Laura Alice Boyd Caroline Juliet Boyd Iris Boyd Alastair Boyd, 7th Baron Kilmarnock Robin Jordan Boyd, 8th Baron Kilmarnock Siblings Cynthia Edith Guest Ivor Guest, 2nd Viscount Wimborne Partners John Peter Berger Gilbert Allan Rowland Boyd, 6th Baron Kilmarnock