Caroline Graham, Duchess of Montrose Hastings. The duke died in 1836. The duchess died, aged 76, at Petersham, Surrey. In the 2009 film "The Young Victoria", the duchess is played by Alice Glover. Caroline Graham, Duchess of Montrose Caroline Graham, Duchess of Montrose (10 August 1770 – 24 March 1847), formerly Lady Caroline Maria Montagu, was the second wife of James Graham, 3rd Duke of Montrose. She was the daughter of George Montagu, 4th Duke of Manchester, and his wife, the former Elizabeth Dashwood. She married Montrose on 24 July 1790, at Kensington Palace. He was fifteen years her senior, and had previously been married
Diana Wellesley, Duchess of Wellington Stratfield Saye. In 1972 Lord Douro's father died and he and his wife became Duke and Duchess of Wellington. At home the Duchess tended personally to the gardens and was amused to be mistaken frequently for a gardener when their home was open to the public. The Duchess died at the family home, Apsley House, in London on 1 November 2010, aged 88. She lived to see the births of several of her great-grandchildren, including twins Lady Mae and Arthur, Viscount Wellesley, third in the direct line of succession to the dukedom. Diana McConnel became Marchioness of Douro upon marriage