George Spencer-Churchill, 6th Duke of Marlborough

His Grace The Duke of Marlborough
Lord-Lieutenant of Oxfordshire
In office 1842 – 1 July 1857
Monarch	Queen Victoria
Preceded by	The Earl of Macclesfield
Succeeded by	The Duke of Marlborough
Personal details
Born	27 December 1793 (1793-12-27) Bill Hill, Hurst, Berkshire
Died	1 July 1857 (1857-08) (aged 63) Blenheim Palace, Woodstock, Oxfordshire
Nationality	British
Political party	Ultra-Tory
Spouses	Lady Jane Stewart Charlotte Flower Jane Frances Clinton Stewart
Children	Susan Cuénod Lady Louisa Spencer-Churchill John Spencer-Churchill, 7th Duke of Marlborough Lord Alfred Spencer-Churchill Lord Alan Spencer-Churchill Lord Almeric Spencer-Churchill Clementina Pratt, Marchioness Camden Lord Edward Spencer-Churchill
Parents	George Spencer-Churchill, 5th Duke of Marlborough Lady Susan Stewart
Alma mater	Christ Church, Oxford

George Spencer-Churchill, 6th Duke of Marlborough (né Spencer; 27 December 1793 – 1 July 1857), styled Earl of Sunderland until 1817 and Marquess of Blandford between 1817 and 1840, was a British nobleman, politician, and peer. The great-grandfather of Sir Winston Churchill, he served as Lord-Lieutenant of Oxfordshire between 1842 and 1857.