List of Political Families in The United Kingdom - Cavendishes (Dukes of Devonshire)

Cavendishes (Dukes of Devonshire)

• William Cavendish (1640–1707), Whig MP for Derbyshire 1661–1681, later 1st Duke of Devonshire
  • William Cavendish (1672–1729), MP for Derbyshire 1695–1701, Castle Rising 1702 and Yorkshire 1702–1707, later 2nd Duke of Devonshire; son of 1st Duke
    • William Cavendish (1698–1755), Whig MP for Lostwithiel 1721–1724, Grampound 1724–1727 and Huntingdonshire 1727–1729, later 3rd Duke of Devonshire; son of 2nd Duke
      • William Cavendish (1720–1764), Whig MP for Derbyshire 1741–51, later 4th Duke of Devonshire and First Lord of the Treasury; son of 3rd Duke
        • Georgiana, Duchess of Devonshire (1757–1806), wife of William Cavendish, 5th Duke of Devonshire, society host and key support of the Whig party
        • William Cavendish (1808–1891), MP for Cambridge 1829–1831, Malton 1831–1832 and Derbyshire North 1832–1834, later 7th Duke of Devonshire; great-grandson of 4th Duke
          • Spencer Cavendish (1833–1908), Liberal then Liberal Unionist MP for Lancashire North 1857–1868, Radnor 1869–1880, Lancashire Northeast 1880–1885 and Rossendale 1885–1891, later 8th Duke of Devonshire, asked three times to be Prime Minister; son of 7th Duke
          • Lord Frederick Cavendish (1836–1882), Liberal MP for the West Riding of Yorkshire and Chief Secretary for Ireland; brother of Spencer
          • Lord Edward Cavendish (1838–1891), MP for Derbyshire West; brother of Spencer
            • Victor Cavendish (1868–1938), Liberal Unionist MP for Derbyshire West 1891–1908, later 9th Duke of Devonshire; son of Edward
              • Edward Cavendish (1895–1950), MP for Derbyshire West 1923–1938, later 10th Duke of Devonshire; son of 9th Duke
                • Andrew Cavendish (1920–2004), 11th Duke of Devonshire, minister in Conservative government 1960–64; son of 10th Duke
              • Harold Macmillan (1894–1986), MP for Stockton-on-Tees 1924–29, 1931–45, Bromley 1945–64, Prime Minister 1957–63, later Earl of Stockton; married Dorothy Cavendish, daughter of Victor
                • Maurice Macmillan (1921–1984), MP for Halifax 1955–64, Farnham 1966–83, South West Surrey 1983–84, Secretary of State; son of Harold
                  • Alexander Macmillan, 2nd Earl of Stockton Member of the European Parliament 1999–2004; son of Maurice
            • Richard Cavendish (1871–1946), MP for North Lancashire; son of Edward, brother of Victor