Frances Anne SpencerChurchill, Duchess of Marlborough VA was an English noblewoman, the wife of British peer and statesman John SpencerChurchill, 7th Duke of Marlborough. One of her sons, Lord Randolph Churchill was the father of Prime Minister Sir Winston Churchill. She had a total ofchildren, 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.
Lady Frances Anne Emily Vane was born onApril 1822 at the Duke of St Albanss house in St James Square, London, the eldest daughter of Irishborn Charles William Vane, 3rd Marquess of Londonderry and heiress Lady Frances Anne VaneTempest. At her baptism, Arthur Wellesley, 1st Duke of Wellington stood as her godfather. She had three brothers, including George VaneTempest, 5th Marquess of Londonderry, and two younger sisters. She had an older halfbrother Frederick Stewart, 4th Marquess of Londonderry, by her fathers first marriage to Lady Catherine Bligh.
Source: Wikipedia