The engagement of His Serene Highness Prince Antonius zu Fürstenberg and Countess Matilde Borromeo was announced on March 10, 2011. The wedding was officiated on June 11, 2011 on Isola Bella on Lake Maggiore in Italy.

Among the guests were Pierre and Andrea Casiraghi, the two princes of Monaco, Tatiana Santo Domingo, fiance of Andrea Casiraghi (the two will get married next year and they are expecting their first child) , Tamara Falco, Tommaso Musini , Eva Herzigova and many others. The bride wore a Valentino gown and her tiara was a diamond encrusted one, property of the grooms family. The brides sister, Beatrice, fiance of Pierre Casiraghi, was a bridesmaid.