Alessandro, Principe Ruspoli was the 2nd Principe di Cerveteri, 2nd Marchese di Riano and 7th Conte di Vignanello. He was the son of Francesco Maria Marescotti Ruspoli, 1st Prince of Cerveteri and his wife Isabella Cesi dei Duchi di Acquasparta, maternal niece of Pope Innocent XIII. His brother was Bartolomeo Ruspoli.

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