Duchess of Somerset
- Algernon St Maur, 14th Duke of Somerset
- Anne Seymour, Duchess of Somerset
- Charlotte Seymour, Duchess of Somerset
- Duke of Somerset
- Edith Seymour, Duchess of Somerset
- Edward St Maur, 11th Duke of Somerset
- Elizabeth Seymour, Duchess of Somerset
- Frances Seymour, Duchess of Somerset
- Frances Seymour, Duchess of Somerset (1699–1754)
- Georgiana Seymour, Duchess of Somerset
- Jane Seymour, Duchess of Somerset
- John Seymour, 19th Duke of Somerset
- Mary Seymour, Duchess of Somerset
- Rowena Seymour, Duchess of Somerset
- Sarah Seymour, Duchess of Somerset
- Susan St Maur, Duchess of Somerset
- Webb Seymour, 10th Duke of Somerset