Lady Margaret Seymour (1869-1901) (1869–1901) Parents Hugh Seymour, 6th Marquess of Hertford Mary Seymour, Marchioness of Hertford Children Winifred Ismay Dorothy Alys Ismay Siblings Lord Edward Seymour Lady Emily Seymour Lord George Seymour Lord Henry Seymour George Seymour, 7th Marquess of Hertford Lady Victoria Seymour Lady Jane Seymour Partners James Hainsworth Ismay