Duke of Mouchy
The title of duke of Mouchy is a Spanish title and a French peerage held by members of a cadet branch of the Noailles family. Duke of Mouchy (Spain, 1747). The founder of the branch, Philippe de Noailles (1715–1794), comte de Noailles, was a younger brother of Louis, 4th duc de Noailles. He was named principe de Poix (prince of Poix) in 1729 by King Philip V of Spain. That same year his aunt-in-law Marguerite-Thérèse Rouillé, duchesse de Richelieu, had died, leaving to Philippe the lands of the principality of Poix. In 1747 Philippe  was made duque de Mouchy by King Ferdinand VI of Spain. Dukes of Mouchy (France, 1817). Philippe Louis Marc Antoine, comte de Noailles and Prince of Poix (1752–1819), elder surviving son of the 1st Spanish duque de Mouchy was made duc de Mouchy and a peer of France in 1817 by King Louis XVIII of France. From the creation of the French peerage, the holders have been: Noailles. As a male-line descendant of the 3rd Duke of Noailles, the Duke of Mouchy is also in remainder to this peerage and to the title of Duke of Ayen. Duke of