Blenheim Palace Blenheim Palace Blenheim Palace (pronounced ) is a monumental country house in Blenheim, Oxfordshire, England. It is the principal residence of the Dukes of Marlborough, and the only non-royal, non-episcopal country house in England to hold the title of palace. The palace, one of England's largest houses, was built between 1705 and 1722, and designated a UNESCO World Heritage Site in 1987. The palace is named for the 1704 Battle of Blenheim, and thus ultimately after Blindheim (also known as Blenheim) in Bavaria. It was originally intended to be a reward to John Churchill, 1st Duke of Marlborough for his
Blenheim Palace the combined diplomatic services of two empires were charged to recover. After her marriage Gladys was in the habit of dining with the Duke with a revolver by the side of her plate. Tiring of her the Duke was temporarily forced to close Blenheim, and turn off the utilities to drive her out. They subsequently separated but did not divorce. The Duke died in 1934 and his widow in 1977. The 9th Duke was succeeded by his and Consuelo Vanderbilt's eldest son: John, 10th Duke of Marlborough (1897–1972), who after eleven years as a widower, remarried at the age of