Question: Who is Alessandro Ruspoli, 4Th Prince Of Cerveteri's paternal grandfather?

Knowledge 1: Alessandro Ruspoli, 4th Prince of Cerveteri
Alessandro, Principe Ruspoli (October 5, 1784 – October 31, 1842) was the 4th Prince of Cerveteri, 4th Marquis of Riano, 9th Count of Vignanello and Prince of the Holy Roman Empire, son of Francesco Ruspoli, 3rd Prince of Cerveteri and second wife HIH Leopoldina Gräfin von Khevenhüller-Metsch.He had for brothers, among others, Camillo Ruspoli, Duke of Sueca, and Bartolomeo Ruspoli and Khevenhüller-Metsch.His granduncle was Bartolomeo Ruspoli.Alessandro is the ancestor of the LineI of the Princes Ruspoli. [SEP] Knowledge 2: Francesco Ruspoli, 3rd Prince of Cerveteri
Francesco, Prince Ruspoli, 3rd Prince of Cerveteri, 3rd Marquis of Riano, 8th Count of Vignanello (February 19, 1752 – March 8, 1829) was the 3rd Prince of Cerveteri, 3rd Marquis of Riano and 8th Count of Vignanello, son of Alessandro Ruspoli, 2nd Prince of Cerveteri and second wife and first cousinPrudenza deiConti Marescotti-Capizucchi.His uncle was Bartolomeo Ruspoli.In 1792 he was created Prince of the Holy Roman Empireboth he and his male descendants, by the Emperor Francis II.
Knowledge 1: Alessandro Ruspoli, 4th Prince of Cerveteri
Alessandro, Principe Ruspoli (October 5, 1784 – October 31, 1842) was the 4th Prince of Cerveteri, 4th Marquis of Riano, 9th Count of Vignanello and Prince of the Holy Roman Empire, son of Francesco Ruspoli, 3rd Prince of Cerveteri and second wife HIH Leopoldina Gräfin von Khevenhüller-Metsch.He had for brothers, among others, Camillo Ruspoli, Duke of Sueca, and Bartolomeo Ruspoli and Khevenhüller-Metsch.His granduncle was Bartolomeo Ruspoli.Alessandro is the ancestor of the LineI of the Princes Ruspoli. [SEP] Knowledge 2: Camillo Ruspoli, Duke of Sueca
Camilo Ruspoli and Khevenhüller- Mestch, dei principi Ruspoli, Duke of Sueca and Prince of the Holy Roman Empire,( March 20, 1788 – July 30, 1864) was an Italian aristocrat, son -in- law of Manuel Godoy.He was born in Rome on March 20, 1788, the third son of Francesco Ruspoli, 3rd Prince of Cerveteri, and Countess Maria Leopoldina von Khevenhüller- Metsch.He had for brothers, among others, Alessandro Ruspoli, 4th Prince of Cerveteri, and Bartolomeo Ruspoli and Khevenhüller- Metsch.Camilo was by his own right a Roman prince.And by his marriage with Carlota Luisa de Godoy and Bourbon he showed the titles of Duke of Sueca, Count of Chinchón( both with greatness of Spain), Marquess of Boadilla del Monte and Count of Evoramonte( Portuguese), authorised by the Kings of Spain to use his wife's titles.He also was Chief of Squadron of the Dragoon Regiment of Pope Leo XII, Knight of Justice of the Order of St. John of Jerusalem," Maestrante" de Granada, Grand Cross of the Order of Charles III, Gentleman of the Chamber of the Emperor of Austria.Camillo is the ancestor of the Line II of the Princes Ruspoli.
Knowledge 1: Bartolomeo Ruspoli and Khevenhüller-Metsch
Bartolomeo Ruspoli and Khevenhüller- Metsch, dei principi Ruspoli( October 26, 1800 – 1872) was an Italian aristocrat, Prince of the Holy Roman Empire, son of Francesco Ruspoli, 3rd Prince of Cerveteri and second wife Leopoldina Countess von Khevenhüller- Metsch.He had four brothers, among others, Alessandro Ruspoli, 4th Prince of Cerveteri, and Camillo Ruspoli, Duke of Sueca.He was colonel of the Piedmontese army, in which he participates in the wars of the Italian resurgence.Paralyzed from below waist by the blast of a grenade, he continued to participate in wheelchair battles pushed by his assistant.Bartolomeo is the ancestor of the Line III of the Princes Ruspoli.His son Emanuele Ruspoli was named first prince of Poggio- Suasa after participating in the Italian unification and being the first Mayor of the Italian Rome.He was the grandfather of Donna Emanuella de Dampierre Ruspoli, Duchess of Segovia and Duchess of Anjou by her marriage to Infante Don Jaime, son of Alfonso XIII of Spain.Emanuele is the founder of the third Ruspoli line: The Princes of Poggio- Suasa. [SEP] Knowledge 2: Camillo Ruspoli, Duke of Sueca
Camilo Ruspoli and Khevenhüller- Mestch, dei principi Ruspoli, Duke of Sueca and Prince of the Holy Roman Empire,( March 20, 1788 – July 30, 1864) was an Italian aristocrat, son -in- law of Manuel Godoy.He was born in Rome on March 20, 1788, the third son of Francesco Ruspoli, 3rd Prince of Cerveteri, and Countess Maria Leopoldina von Khevenhüller- Metsch.He had for brothers, among others, Alessandro Ruspoli, 4th Prince of Cerveteri, and Bartolomeo Ruspoli and Khevenhüller- Metsch.Camilo was by his own right a Roman prince.And by his marriage with Carlota Luisa de Godoy and Bourbon he showed the titles of Duke of Sueca, Count of Chinchón( both with greatness of Spain), Marquess of Boadilla del Monte and Count of Evoramonte( Portuguese), authorised by the Kings of Spain to use his wife's titles.He also was Chief of Squadron of the Dragoon Regiment of Pope Leo XII, Knight of Justice of the Order of St. John of Jerusalem," Maestrante" de Granada, Grand Cross of the Order of Charles III, Gentleman of the Chamber of the Emperor of Austria.Camillo is the ancestor of the Line II of the Princes Ruspoli.

Answer: Alessandro Ruspoli, 2nd Prince of Cerveteri