Frances Seymour, Duchess of Somerset numerous descendants include Queen Elizabeth The Queen Mother (and therefore The Queen and all of her blood descendants), Diana, Princess of Wales, and Sarah, Duchess of York. Frances Seymour, Duchess of Somerset Frances Seymour, Duchess of Somerset ("née" Devereux; 30 September 1599 – 24 April 1674), was an English noblewoman who lived during the reigns of Elizabeth I, James I, Charles I and Charles II. Her father was Robert Devereux, 2nd Earl of Essex, Elizabeth I's favourite who was executed for treason in 1601. She was the second wife of William Seymour, 2nd Duke of Somerset, and the mother of
Sarah, Duchess of York October 1959 at London Welbeck Hospital. She is the second daughter of Major Ronald Ferguson (1931–2003) and his first wife, Susan (née Wright; 1937–1998). After Sarah's parents divorced in 1974, her mother married polo player Héctor Barrantes in 1975 and moved to Trenque Lauquen in the Argentine pampas. Sarah stayed at the Dummer Down Farm at Dummer, Hampshire, her father's home since age 8. Major Ferguson married Susan Deptford in 1976 and had three more children: Andrew, Alice, and Elizabeth. Sarah attended Daneshill School, Stratfield Turgis. The staff of the school described her as a "courageous, bubbly and outgoing little