Grand Prince of Tuscany
- Hereditary Princesses of Modena
- Grand Princesses of Tuscany
- The Grand Princess of Tuscany was the spouse of the Grand Prince of Tuscany, heir to the Tuscan throne
- Hereditary Princes of Modena
- Duchy of Rambouillet
- The Duchy or Duke of Rambouillet was a French Peerage created in 1711 for Louis Alexandre de Bourbon, Légitimé de France, Count of Toulouse, youngest legitimised son of Louis XIV and Madame de Montespan
- Duke of Rohan-Rohan
- Princess of Turenne
- The title Princess of Turenne was used by the daughters-in-law of the Dukes of Bouillon as wives of the Princes of Turenne, heirs to Bouillon and Sedan
- Philippe Charles, Duke of Valois
- Philippe Charles d'Orléans, petit-fils de France, Duke of Valois was a French prince and Grandson of France. He was styled Duke of Valois at the time of his birth. He was a short lived nephew of Louis XIV
- Charles, Prince of Rochefort
- Charles de Rohan was a Prince of the House of Rohan. He was the founder of the Rochefort line of the Rohans which still continue to live today. He was styled the Prince of Rochefort as well as the Prince of Montauban
- List of governors of Siena
- A list of the governors of Siena, a jurisdiction of the Grand Duchy of Tuscany (1569−1859) after the dissolution of the Republic of Siena
- Constantine of Nicaea
- Constantine of Nicaea or Constantine the Philosopher was a Neoplatonic philosopher in the Byzantine Empire during the reign of Manuel I (1143–1180