Antoni II Boncompagni-Ludovisi

Don Antonio II Boncompagni-Ludovisi, then Prince Boncompagni-Ludovisi (Rome, 15 January/16 June 1735 – Rome, 26 April 1805), was the 8th Duke of Sora, Aquino, Arce and Arpino and 9th Marquess of Vignola and the Prince of Piombino, Marquis of Populonia, Prince of Venosa and Count of Conza, Lord di Scarlino, Populonia, Vignale, Abbadia del Fango, Suvereto, Buriano, Cerboli e Palmaiolan, and Lord prince of the Tuscan Archipelago including the islands of Elba, Montecristo, Pianosa, Gorgona, Capraia, and Isola del Giglio, from 1733 until he ceded the duchy in 1796 and was deposed in the principality on 21 March 1801 and in the marquessate during the Napoleonic Wars.

He was the eldest son of Don Gaetano I Boncompagni Ludovisi, Prince of Piombino and Duke of Sora, and wife Laura Chigi of the Princes of Farnese.

Marriages and issue Antonio married firstly, in Rome on 25 April 1757, Maria Giacinta Orsini, daughter of Domenico Orsini, 15th Duke of Gravina and Anna Paola Flaminia Odescalchi. They had no children.

Antonio married secondly, in Rome on 25 November 1761, Maria Vittoria Sforza-Cesarini, daughter of Sforza Giuseppe I Sforza-Cesarini, 3rd Prince of Genzano, 20th Count of Santa Fiora, and Maria Francesca Giustiniani. They had:

Donna Anna-Eleonora, Princess Boncompagni-Ludovisi (5 March 1763 - 1767) Don Ludovico/Luigi I Maria, Prince Boncompagni-Ludovisi, Prince of Piombino, Duke of Sora, etc, married on 24 November 1796, Maddalena, daughter of Baldassarre Odescalchi, 4th Prince Odescalchi, Duke of Syrmia/Sirmio, Duke of Bracciano, Duke of Ceri.