Lady Margaret Godolphin Peerage person ID=105706 Parents Francis Godolphin, 2nd Earl of Godolphin Henrietta Churchill, 2nd Duchess of Marlborough Children Siblings William Godolphin, Marquess of Blandford Hary Godolphin Mary Osborne, Duchess of Leeds Harriet Pelham-Holles, Duchess of Newcastle-upon-Tyne