Claus von Bülow est né le 11 août 1926 au Danemark. Il était marié à Martha Sunny von Bulow. Il est mort le 25 mai 2019 à Londres, Angleterre, Royaume-Uni.
Related through his mother to the German von Bülows, the patrons of
Richard Wagner. His father, playwright Svend Borberg, was a Nazi sympathizer
who was later convicted of collaboration after World War II.