Algernon Seymour, 7th Duke of Somerset British soldier, politician and landowner (1684-1750) (1684–1750) Parents Elizabeth Seymour, Duchess of Somerset Charles Seymour, 6th Duke of Somerset Children George Seymour, Viscount Beauchamp Elizabeth Percy, Duchess of Northumberland Siblings Catherine Seymour Catherine Seymour Elizabeth Seymour Anne Seymour Percy Seymour Charles Seymour, Earl of Hertford Lady Frances Seymour Charlotte Finch Partners Frances Seymour, Duchess of Somerset