The Cadbury family is a wealthy British family of Quaker industrialists descending from Richard Tapper Cadbury.^[1]

• Richard Tapper Cadbury (1768–1860), draper and abolitionist, who financed his sons' start-up business
  • John Cadbury (1801–1889), Quaker, family patriarch and founder of the Cadbury chocolate company working with two brothers; married Candia Barrow
    • Richard Cadbury (1835–1899), manufacturer and philanthropist; married Elizabeth Adlington
      • Barrow Cadbury (1862–1958), head of the chocolate factory, founder of the Barrow Cadbury Trust;^[2] married Geraldine Cadbury
        • Dorothy Adlington Cadbury (1892–1987), director of Cadbury and botanist. Her name appears on the side of tubs of Cadbury Roses chocolates.^[3]
        • Paul Cadbury (1895–1984), chair of the Barrow Cadbury Trust from 1958 until his death in 1984^[4]
          • Charles Lloyd Cadbury (1926–2000), director of Barrow Cadbury Fund from 1992 until his death^[5]
            • Ruth Margaret Cadbury (born 1959), Labour MP for Brentford & Isleworth since 2015
      • William Adlington Cadbury (1867–1957); married Emmeline Hannah Wilson
        • George Corbyn Barrow (1903–1998), lawyer and Lord Mayor of Birmingham^[6]
      • Beatrice Boeke-Cadbury (1884–1976); married Kees Boeke
    • George Cadbury (1839–1922), younger brother, developed the firm; married Mary Tylor
      • Edward Cadbury, (1873–1948), head of the chocolate factory, founder of the Edward Cadbury Charitable Trust^[7]
      • George Cadbury Jr (1878–1954), chairman of Cadbury, developed the recipe for Cadbury Dairy Milk.^[8]
      • Laurence John Cadbury (1889–1982), succeeded his brother Edward as head of the chocolate company in 1944
        • Sir Adrian Hayhurst Cadbury (1929–2015), chairman of Cadbury and Cadbury Schweppes for 24 years, director of the Bank of England, Olympic rower, and chancellor of Aston University^[9]
        • Sir Dominic Cadbury (born 1940), businessman, Chancellor of the University of Birmingham
        • Jocelyn Cadbury (1946–1982), Conservative MP for Birmingham Northfield, 1979–1982
      • Sir Egbert Cadbury (1893–1967), First World War fighter pilot and later managing director of the family firm^[10]
        • Peter Cadbury (1918–2006), entrepreneur
      • Marion Cadbury (1894–1979); married William Greeves (1890–1960)
• Richard Cadbury Barrow (1827–1894), merchant