Mary Butler, Duchess of Ormond British duchess by marriage (1664–1733) (1664–1733) Parents Mary Somerset, Duchess of Beaufort Henry Somerset, 1st Duke of Beaufort Children Lady Elizabeth Butler Thomas Butler of Ormonde Mary Butler Siblings Anne Coventry Lord Arthur Somerset Charles Somerset, Marquess of Worcester Henry Somerset Lord Edward Somerset Elizabeth Somerset Lady Elizabeth Seymour Henry Somerset, Lord Herbert Henrietta Howard, Countess of Suffolk William Seymour, 3rd Duke of Somerset Partners James Butler, 2nd Duke of Ormonde
