Lady Florence Catherine Seymour (1845-1921) (1845–1921) Parents Francis Seymour, 5th Marquess of Hertford Emily Seymour, Marchioness of Hertford Children Siblings Lady Constance Adelaide Seymour Lord Ernest James Seymour Horatia Elizabeth Erskine Lord Albert Seymour Lady Georgina Emily Lucy Seymour Frederica Georgina Seymour Hugh Seymour, 6th Marquess of Hertford Lord Victor Alexander Seymour Lady Mary Margaret Seymour Partners James St. John Blunt