Winston Churchill, statesman, Prime Minister, voted Greatest Ever Briton in 2002 (1874-1965)

John Churchill, 1st Duke of Marlborough (1650–1722)

Sarah Jennings (1660-1744), wife of the 1st Duke, favourite of Queen Anne.

Lord Randolph Churchill, politician (1849-1895).

Marlborough, Massachusetts

Marlboro

A suburb of Harare

Consuelo Vanderbilt (1877-1964), wife of the 9th Duke, American heiress.

Marlborough is a town in Wiltshire, England. Named after it directly or indirectly are several places

Jennie Jerome, wife of the above (1854-1921)

Marlborough School (Los Angeles, California)

Marlborough, New Hampshire

Marlboro College, a liberal-arts college in Marlboro, Vermont, United States

Marlborough College, a leading public school in the town of Marlborough in Wiltshire, England

Marlborough School (Woodstock) in Oxfordshire, England.

Marlborough, New York

Clementine Hozier, wife of the above (1885-1977)

Marlborough, Connecticut

Marlborough Mall, a shopping center in Calgary, Alberta

East Marlborough Township, Pennsylvania

New Marlborough, Massachusetts

Marlborough Township, Pennsylvania

Marlborough, Missouri

West Marlborough Township, Pennsylvania

Georgiana, Duchess of Devonshire, best known Duchess of the 18th-Century (1757-1806)

George Spencer-Churchill, 5th Duke of Marlborough (1766–1840)

The present holder of the title is John George Vanderbilt Spencer-Churchill, 11th Duke of Marlborough (b. 1926)

George Spencer-Churchill, 6th Duke of Marlborough (1793–1857)

Marlborough School (St Albans) in Hertfordshire, England

Charles Richard Spencer-Churchill, 9th Duke of Marlborough (1871–1934)

George Spencer, 4th Duke of Marlborough (1739–1817)

John Winston Spencer-Churchill, 7th Duke of Marlborough (1822–1883)

Charles Spencer, 3rd Duke of Marlborough (1706–1758)

George Charles Spencer-Churchill, 8th Duke of Marlborough (1844–1892)

Principality of Marlborough, a short-lived micronation in 1993

John Albert William Spencer-Churchill, 10th Duke of Marlborough (1897–1972)

Henrietta Godolphin, 2nd Duchess of Marlborough (1681–1733)

HMS Marlborough, the name of several Royal Navy ships

Marlborough, Queensland

Rosita Spencer-Churchill, Duchess of Marlborough (Dagmar Douglas) (b. 1943), the current Duchess.

Marlborough, Auckland, a suburb of Auckland

Marlboro Township, Ohio

Marlborough, Calgary and Marlborough Park, Calgary, neighbourhoods of Calgary, Alberta

Marlborough, New Zealand, an administrative and wine region in the South Island (formerly the Marlborough Province)

His Direct Heir is Charles James Spencer-Churchill, Marquess of Blandford (b. November 24, 1955)

Lord Blandford's Son and Heir is George Spencer-Churchill, Earl of Sunderland (b. July 28, 1992)