Lady Mary Seymour Peerage person ID=24534 (d. 1570) Parents Anne Seymour, Duchess of Somerset Edward Seymour, 1st Duke of Somerset Children Siblings Margaret Seymour Anne Dudley, Countess of Warwick unknown Seymour Lord Henry Seymour Edward Seymour Jane Seymour Lady Elizabeth Seymour John Seymour Sir Edward Seymour, of Berry Pomeroy Partners Sir Henry Peyton