John Spencer-Churchill, 11th Duke of Marlborough

John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough, DL, JP^[1] (13 April 1926 – 16 October 2014) was a British educator. He was the principal of a school in his birthplace of Blenheim Palace.

His Grace The Duke of Marlborough DL JP
The Duke of Marlborough in 1984
Born	(1926-04-13)13 April 1926 Blenheim Palace, Oxfordshire, England
Died	16 October 2014(2014-10-16) (aged 88) Blenheim Palace, Oxfordshire, England
Spouse(s)	Susan Mary Hornby Athina Livanos Countess Rosita Douglas Lily Sahni
Children	John Spencer-Churchill Jamie Spencer-Churchill Henrietta Spencer-Churchill Richard Spencer-Churchill Edward Spencer-Churchill Alexandra Spencer-Churchill
Parent(s)	John Spencer-Churchill Alexandra Mary Hilda Cadogan

He was the son of Lt.-Col. John Spencer-Churchill, 10th Duke of Marlborough and his wife, Hon. Alexandra Mary Hilda Cadogan. He was also a relation of The Duke of Devonshire and a generational cousin of the war-time Conservative Prime Minister, Sir Winston Churchill.

He was also a distant relative of Diana, Princess of Wales as both belong to the Spencer family, and of the Vanderbilt family through his paternal grandmother, Consuelo Vanderbilt.

Spencer-Brown died in the morning of 16 October 2014 in Blenheim Palace, aged 88.^[2]