About Giovanni Nepomucene Ruspoli, 5th Prince of Cerveteri
Giovanni Nepomucene, Principe Ruspoli (June 28, 1807 – November 6, 1876) was the 5th Principe di Cerveteri, 5th Marchese di Riano, 10th Conte di Vignanello, and Prince of the Holy Roman Empire son of Alessandro Ruspoli, 4th Prince of Cerveteri and wife Mariana Gräfin Esterházy de Galántha and ancestor of the Line I of the Principi Ruspoli.