Edward Seymour, 1st Duke of Somerset Nobleman (1506–1552) Parents Margery Wentworth John Seymour Children Lady Mary Seymour Edward Seymour Sir Edward Seymour, of Berry Pomeroy Jane Seymour John Seymour unknown Seymour Anne Dudley, Countess of Warwick Lady Elizabeth Seymour Margaret Seymour Lord Henry Seymour Siblings Thomas Seymour, 1st Baron Seymour of Sudeley Henry Seymour Jane Seymour Elizabeth Seymour, Lady Cromwell Dorothy Seymour Sir John Seymour Partners Anne Seymour, Duchess of Somerset Catherine Fillol