Lord Arthur Somerset Peerage person ID=119115 (1662–1743) Parents Henry Somerset, 1st Duke of Beaufort Mary Somerset, Duchess of Beaufort Children Elizabeth Somerset Anne Somerset Mary Somerset Siblings Mary Butler, Duchess of Ormond Charles Somerset, Marquess of Worcester Anne Coventry Henry Somerset Lord Edward Somerset Elizabeth Somerset Henry Somerset, Lord Herbert Henrietta Howard, Countess of Suffolk Lady Elizabeth Seymour William Seymour, 3rd Duke of Somerset Partners Mary Russell