Bernard Arnault, owner of Chateau Cheval Blanc and Chateau d'Yquem, is the world's fourth richest man, with a fortune of US$41bn, according to Forbes magazine's Rich List.The LVMH chief, who owns a controlling stake in Dior Couture, Tag Heuer, De Beers, Louis Vuitton and a host of other luxury names, is Europe’s richest man – and he is not the only chateau owner to make an appearance in the list. Of the top 10 French entries, five are owners of Bordeaux chateaux. Francois Pinault, owner of Chateau Latour, comes in at 67 globally and third in France with a fortune of US$11.5bn.