Jean d'Albert
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Jean d'Albert was born in 1945. He has been Duke of Chevreuse and Duke of Luynes since 1993. He is also Marquis, or Marquess d'Albert, Prince of Neuchâtel and Vallengin, Count of Tours and Dunoi [1]. He is married to Christine Roussel, sister of Thierry Roussel and, therefore, aunt of Athina Onassis, since 1973 [2].