 Her mother was the famous Mexican-born socialite Gloria Guinness.Born Dolores Maria Agatha Wilhelmine Luise, Freiin von Fürstenberg-Herdringen on 31 July 1936 in Berlin-Charlottenburg.She is the second daughter of "Franz-Egon" Maria Meinhard Engelbert Pius Aloysius Kaspar Ferdinand Dietrich, 3rd Graf von Fürstenberg-Herdringen (1896–1975) and his second wife, Gloria Guinness (1912–1980).