* John Winston Spencer-Churchill, 7th Duke of Marlborough ( 1822 – 1883 ), eldest son of the 6th Duke and paternal grandfather of Winston Churchill
* John Winston Spencer-Churchill, 7th Duke of Marlborough ( 8 March 1867 – 9 December 1868 )
* John Winston Spencer-Churchill, 7th Duke of Marlborough ( 1822 – 1883 )
* John Winston Spencer-Churchill, 7th Duke of Marlborough ( 1822 – 1883 ).
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