Alessandro Ruspoli, 9th Prince of Cerveteri

Alessandro "Dado", Principe Ruspoli (9 December 1924 – 11 January 2005) was an occasional actor and a playboy and eccentric aristocrat, the 9th Principe di Cerveteri, 9th Marchese di Riano, 14th Conte di Vignanello and Prince of the Holy Roman Empire. Dado descends from a brother of Cardinal Bartolomeo Ruspoli.
Dado was born in Rome in 1924. His mother, his father's first wife Claudia dei Conti Matarazzo, who died when he was 9, was heiress to one of the largest fortunes in Brazil. His father Francesco Ruspoli, 8th Prince of Cerveteri, later a poet, fought in both World Wars. Dado became known for his extravagant lifestyle in the 1950s and 60s. He was friends with Brigitte Bardot, Salvador Dalí, Truman Capote, Roger Vadim, Roman Polanski, Emmanuelle Arsan and many others.
Marriages and children.
He first married in Rome on December 8, 1947, was to "Nobile" Francesca dei Baroni Blanc (Rome, 27 June 1920 – Milan, 27 February 1962), daughter of "Nobile" Mario dei Baroni Blanc and wife Anita Felici. They had no children.
His second marriage at Vignanello, the location of the ancestral residence, Castello Ruspoli, on May 5, 1964, was to French aristocrat Nancy de Girard de Charbonnières (Pouillon, 18 April 1939 –), daughter of Roger Jean de Girard de Charbonnières and wife Andrée Marie Pommarède. The marriage produced one son: 
His third marriage was also in Rome, on November 20, 1993, to Theresa Patricia Genest. This marriage produced a daughter and a son: 
Between marriages he had two sons by actress Debra Berger (17 March 1957 –), daughter of William Berger: