[7] Broglia [it] (pronounced [ˈbrɔʎʎa]) was the name of an old Piedmontese noble family, from which were descended the counts of Casalborgone, Mombello and Revello, and the lords of Arignano, Cortandone, Fontanetto Po, Chieri, Cocconato, Monale, Montaldo,[8] Pont Canavese and Santena.

[9] The founder of the French de Broglie line was Francesco Maria, count of Revello, of the Broglia di Chieri family.

[6] His son, Victor-Maurice, comte de Broglie (1647–1727), served under Condé, Turenne and other great commanders of the age of Louis XIV.

His great-grandson, Victor-François, 2nd duc de Broglie, was created Prince of the Holy Roman Empire in 1759 by Emperor Francis I.

[6] Louis, 7th duc de Broglie (1892–1987), a physicist and Nobel laureate, was one of the founders of quantum theory.