Ian Douglas Campbell, 11th and 4th Duke of Argyll (18 June 1903 – 7 April 1973), was a Scottish peer and the Chief of Clan Campbell (). He is chiefly remembered for his unhappy marriage to, and scandalous 1963 divorce from, his third wife, Margaret Whigham. Early life Ian Douglas Campbell was born in Paris, France. He was the son of Douglas Walter Campbell and his wife, Aimee Marie Suzanne Lawrence. His paternal grandfather, Lord Walter Campbell, was the third son of the 8th Duke of Argyll. He was educated at Milton Academy in the United States and Christ Church, Oxford. He served during the Second World War with the rank of captain in the 8th Battalion Argyll and Sutherland Highlanders and saw combat during the Fall of France. Along with his commanding officer Maj. Gen. Victor Fortune, the war poet Aonghas Caimbeul, and all surviving members of the 51st (Highland) Division, Captain Campbell surrendered to Wehrmacht General Erwin Rommel at Saint-Valery-en-Caux in Normandy on June 12, 1940. He was held as a prisoner of war until 1945. He inherited the titles Duke of Argyll and Chief of Clan Campbell () following the death of his first cousin once removed, the 10th Duke, on 20 August 1949. Personal life Argyll was married four times. He was known to be addicted to alcohol, gambling, and prescription drugs. The Duke was also accused of physical and emotional abuse by his wives, whose money he tried to use for maintaining Inveraray Castle. His first marriage was to The Honourable Janet Gladys Aitken (1908–1988), daughter of business tycoon and press baron Lord Beaverbrook, on 12 December 1927. They had a daughter, Lady Jeanne Campbell (1928–2007). Ian and Janet divorced in 1934. Argyll's second marriage was to Louise Hollingsworth Morris Vanneck, née Clews (d. 10 February 1970), daughter of Henry Clews Jr. by his wife Louise Hollingsworth Morris (ex-wife 1894–1901 of Frederick Gebhard) of Baltimore, Maryland, and former wife of Hon. Andrew Vanneck (md 1930–1933) on 23 November 1935. This marriage produced two sons: Ian Campbell, 12th Duke of Argyll (1937–2001), who married Iona Colquhoun on 4 July 1964. They had two children: Torquhil Campbell, 13th Duke of Argyll (b. 1968). On 8 June 2002 at St. Mary's Church, Fairford, Gloucestershire, the Duke married Eleanor Cadbury, a member of the Cadbury chocolate family. The Duke and Duchess have three children: Archibald Friedrich Campbell, Marquess of