• Lord Randolph Churchill (Winston Churchill's father) was Chancellor of the Exchequer (1886); and Leader of the House of Commons (1886-1887).
  • Sir Winston Churchill, was the Conservative Second World War premier (1874-1965).
  • Winston's son Randolph Churchill (1911-1968), was a Conservative Member of Parliament for Preston from 1940 to 1945.
  • Lord Christopher Soames (1920-1987), was married to Winston Churchill's daughter Mary. He had many roles including leader of the House of Lords, Conservative Minister of State for Agriculture Fisheries and Food, Secretary of State for War, MP for Bedford.
  • Their son Nicholas Soames (Winston Churchill's grandson) was Conservative MP for Crawley (1983-1997) and Minister of State for the Armed Forces (1994-1997).
  • Neville Chamberlain (1869-1940), Conservative Prime Minister, was the youngest son of Joseph Chamberlain, a Victorian Cabinet Minister, and the half-brother of Austen, a Chancellor of the Exchequer. He made visits to Germany in 1938 for talks with Hitler, hoping to avoid war.
  • Lord Edward Montagu Stanley (1894-1938) and his brother Oliver (1896-1950) were Conservative MPs at the same time, and sat in the cabinet together. Edward was Under-Secretary of State for India and Burma, while Oliver was President of the Board of Trade.
  • Prime Minister David Lloyd George's son Gwilym and daughter Megan were MPs (1920s to 1957 (Gwilym) and 1966 (Megan)). Gwilym was Home Office Minister in successive Churchill and Sir Anthony Eden Conservative governments. Megan was first in the Liberal party and then Labour.
  • Julie Kirkbride (Conservative MP for Bromsgrove, 1997-2010) came under fire for hiring her sister as a secretary, although she lived far from the House of Commons. Kirkbride's husband Andrew MacKay (MP for Bracknell 1997-2010) gave up his post as David Cameron's parliamentary aide, after the expenses scandal.
  • Valerie Vaz, Labour MP for Walsall South, is the sister of Keith Vaz - MP for Leicester East since 1987.