Question: What 15th century castle is owned by a British Businessman and former Member of the European Parliament from 1979 to 1999?

Context articles: Josef Zieleniec
Lasse Lehtinen
Anders Samuelsen
Dundas Castle
Château d'Ainay-le-Vieil
Jaroslav Zvěřina
Auchterhouse Castle
Château de l'Alba
Jack Stewart-Clark
Vittorio Agnoletto

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 Josef Zieleniec, CSc.
 (born 28 May 1946 in Moscow) is a Czech politician and former Member of the European Parliament.
 From 2004, was a member of the SNK European Democrats (SNK-ED).
 In the European Parliament, he was a member of the European People's Party and served on the European Parliament's Committee on Foreign Affairs and Committee on Economic and Monetary Affairs.
 Zieleniec is currently a lecturer at the Prague academic center of New York University.
Lasse Lehtinen (born 23 January 1947 in Kotka) is a Finnish politician, former Member of the Finnish Parliament and former Member of the European Parliament (MEP).
 He is a member of the Social Democratic Party of Finland, which is part of the Party of European Socialists, and sat on the European Parliament's Committee on the Internal Market and Consumer Protection.
Anders Samuelsen (born 1 August 1967 in Horsens) the Minister of Foreign Affairs of Denmark and a Danish politician, member of the Folketing with the Liberal Alliance and former Member of the European Parliament sitting on the European Parliament's Committee on Budgets.
 He is a former member of Det Radikale Venstre, and was a Member of the Bureau of the Alliance of Liberals and Democrats for Europe.
 He left this party on 7 May 2007, and was elected to the Danish parliament for Liberal Alliance in the 2007 election.
Dundas Castle is a 15th-century castle, with substantial 19th-century additions by William Burn, in the Dalmeny parish of West Lothian, Scotland.
 The home of the Dundas family since the Middle Ages, it was sold in the late 19th century and is currently the residence of politician and businessman Sir Jack Stewart-Clark.
Château d'Ainay-le-Vieil is a 14th century castle built on the grounds of an earlier 12th century castle in Ainay-le-Vieil, Cher, France.
 Château d'Ainay-le-Vieil is situated at an elevation of 168 meters.
 After having bought the castle from Jacques Cœur, Charles de Bigny built a pre-Renaissance Louis XII style chateaux from 1500 to 1505.
 The castle has been listed as a "Monument historique" since 1968 by the French Ministry of Culture.
 The castle, now part of Jacques Cœur's tourist route, has been nicknamed "the little Carcassonne" (French: "le petit Carcassonne" ) because of its circular shape.
 Today the castle is one of the best preserved fortresses of the 14th century.
Jaroslav Zvěřina    (born on 18 December 1942 in Třebíč) is a Czech politician and former Member of the European Parliament with the Civic Democratic Party, part of the European Democrats and sits on the European Parliament's Committee on Legal Affairs.
 He was candidate also in European Parliament election in 2009, but he was not reelected.
Auchterhouse Castle is a c. 13th century castle located northwest of Dundee, Angus, Scotland.
 The original castle was enclosed with walls, towers, and contained a keep.
 The castle may have been in ownership of the Ramsay family, who were hereditary Sheriffs of Angus.
 Sir William Wallace is alleged to have stayed at the castle and one its towers was named in his honour.
 King Edward I of England spent the night of the 20 July 1303 at the castle.
 The castle came into the possession of James Erskine, 7th Earl of Buchan who may have built the 17th century tower house.
Château de l'Alba is a 15th century castle, remodelled as a château in the 18th century, located in the "commune" of L'Albenc in the Isère "département" of France.
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Sir John "Jack" Stewart-Clark, 3rd Baronet (born 17 September 1929) is a British businessman and former Member of the European Parliament (MEP).
 He represented the Conservative and Unionist Party in the European Parliament from 1979 until 1999.
 He is the owner of Dundas Castle in West Lothian, Scotland.
Vittorio Emanuele Agnoletto (born 6 March 1958 in Milan) is an Italian doctor, politician and a former Member of the European Parliament for the Southern Italy constituency.
 He was first elected in the 2004 European Parliament elections on the Communist Refoundation Party (Italian: "Partito della Rifondazione Comunista", PRC) list, part of the European Left.
 He was not re-elected in the 2009 European Parliament elections.