Beauvilliers (surname)
Beauvilliers was the name of a very ancient French family belonging to the country around Chartres, members of which are found filling court offices from the 15th century onward.
Later, there were two ducs de Beauvilliers:
- François de Beauvilliers, 1st duc de Saint-Aignan
- Paul de Beauvilliers, 2nd duc de Saint-Aignan, son of the former
Other members of the family included:
