Rosita Spencer-Churchill, Duchess of Marlborough
Dagmar Rosita Astrid Libertas, Duchess of Marlborough
(née Douglas, sometimes Spencer-Churchill; born 26 September 1943, Madrid) is a British artist of Swedish and German descent.
She was the third wife of John Spencer-Churchill, 11th Duke of Marlborough, from 1972 until their divorce in 2008.
Frances Anne Spencer-Churchill, Duchess of Marlborough
Frances Anne Spencer- Churchill, Duchess of Marlborough, VA( 15 April 1822 – 16 April 1899) was an English noblewoman, the wife of British peer and statesman John Spencer- Churchill, 7th Duke of Marlborough.
One of her sons, Lord Randolph Churchill was the father of Prime Minister Sir Winston Churchill.
She had a total of 11 children, and her principal home was the monumental Blenheim Palace, which she rejuvenated with her" lavish and exciting entertainments", and transformed into a" social and political focus for the life of the nation".
She was invested as a Lady of the Royal Order of Victoria and Albert for her efforts at famine relief in Ireland.
Edla Spencer-Churchill, Duchess of Marlborough
Edla Spencer- Churchill, Duchess of Marlborough(" née" Griffiths), is the Duchess of Marlborough, wife of Jamie Spencer- Churchill, 12th Duke of Marlborough, and a British peeress.
Her father, Alun Griffiths, owns Alun Griffiths Contractors, a civil engineering company in Abergavenny, Wales.
She studied ceramics at Camberwell College of Art, illustration at St. Martin's and ceramics at The Royal College of Art.
She specialises in the creation of unique but functional hand- built ceramics based on ideas from her environment, such as foliage, birds and interiors, blended with themes gleaned from museums, exhibitions and travel.
As Edla Griffiths she has exhibited at the Victoria& Albert Museum and the Crafts Council.
Lily Spencer-Churchill, Duchess of Marlborough
Lily Spencer- Churchill, Duchess of Marlborough( née Lilian Warren Price)( June 10, 1854 – January 11, 1909) was an American heiress and socialite during the Gilded Age.
Laura Spencer-Churchill, Duchess of Marlborough
Frances Laura Spencer- Churchill, Duchess of Marlborough(" née" Charteris; 10 August 1915 – 19 February 1990), was a British noblewoman and socialite.
She was variously Viscountess Long, Countess of Dudley and became Duchess of Marlborough upon her fourth marriage, to John Spencer- Churchill, 10th Duke of Marlborough.
She was the sister of novelist Hugo Charteris and Ann Charteris( who married Ian Fleming), as well as the granddaughter of Hugo Charteris, 11th Earl of Wemyss.
Her third husband, Michael Temple Canfield, was the former husband of Lee Radziwill, sister of Jacqueline Kennedy Onassis.
During World War II, she served as an auxiliary nurse.
John Spencer-Churchill, 11th Duke of Marlborough
John George Vanderbilt Henry Spencer-Churchill, 11th Duke of Marlborough, (13 April 1926 – 16 October 2014) was a British peer.
He was the elder son of The 10th Duke of Marlborough and his wife, The Hon.
Alexandra Mary Hilda Cadogan.
He was known as "Sunny" after his courtesy title of Earl of Sunderland.
He was a relative of the Duke of Devonshire and a first cousin, twice removed, of the wartime Conservative Prime Minister, Sir Winston Churchill.
He was also a distant relative of Diana, Princess of Wales, as both belonged to the Spencer family, and of the Vanderbilt family through his paternal grandmother, Consuelo Vanderbilt.
His principal seat was Blenheim Palace, in Woodstock, Oxfordshire.
He was ranked 224th in the Sunday Times Rich List 2004, with an estimated wealth of £185 million.
His death was announced on 16 October 2014 by Blenheim Palace.
Gladys Spencer-Churchill, Duchess of Marlborough
Gladys Marie Spencer-Churchill, Duchess of Marlborough ("née" Deacon; 7 February 1881 – 13 October 1977) was a French American aristocrat and socialite.
She was the mistress and later the second wife of Charles Spencer-Churchill, 9th Duke of Marlborough.
Albertha Spencer-Churchill, Duchess of Marlborough
Albertha Frances Anne Spencer- Churchill, Duchess of Marlborough, VA( 29 July 1847 – 7 January 1932) was an English aristocrat.
Susan Spencer-Churchill, Duchess of Marlborough
Susan Spencer-Churchill, Duchess of Marlborough (10 April 1767 – 2 April 1841), formerly Lady Susan Stewart, was the wife of George Spencer-Churchill, 5th Duke of Marlborough.
Lady Susan Stewart was the daughter of John Stewart, 7th Earl of Galloway, and his second wife, the former Anne Dashwood.
She married the future duke on 15 September 1791, when he was styled Marquess of Blandford.
They were married at her father's house in St James's Square, London, by the Archbishop of Canterbury, John Moore.
They had four children:
In 1817 the marquess inherited the dukedom from his father, George Spencer, 4th Duke of Marlborough, at which point his wife became Duchess of Marlborough.
The duchess died at her house in Park Lane, London, aged 73.
In the previous year two of her sons, Charles and Henry John, had died, along with Charles's wife and her husband the duke himself.
She was buried in the chapel of Blenheim Palace.
Consuelo Vanderbilt
Consuelo Vanderbilt Balsan (formerly Consuelo Spencer-Churchill, Duchess of Marlborough; born Consuelo Vanderbilt; 2 March 1877 – 6 December 1964) was a member of the prominent American Vanderbilt family.
Her marriage to The 9th Duke of Marlborough has become an emblem of the socially advantageous, but loveless, marriages common during the Gilded Age.

Question: What is the date of death of Rosita Spencer-Churchill, Duchess Of Marlborough's husband?
Answer: 16 October 2014