John Spencer-Churchill, 11th Duke of Marlborough British peer (1926–2014) (1926–2014) Parents Mary Spencer-Churchill, Duchess of Marlborough John Spencer-Churchill, 10th Duke of Marlborough Children Lord Richard Spencer-Churchill James Spencer-Churchill, 12th Duke of Marlborough Lord Edward Spencer-Churchill John Spencer-Churchill, Earl of Sunderland Lady Henrietta Spencer-Churchill Lady Alexandra Spencer-Churchill Siblings Lady Rosemary Spencer-Churchill Lord Charles Spencer-Churchill Lady Caroline Spencer-Churchill Lady Sarah Spencer-Churchill Partners Lily Sahni Tina Onassis Niarchos Rosita Spencer-Churchill, Duchess of Marlborough Susan Hornby
