Marquess of Saint-Floris
Marquess of Saint-Floris was a French noble title, belonging to the Picardian nobility. Saint-Floris is a town in former Flanders.
The title was created in 1674 by king Louis XIV for the House of Ghistel. However, the Lords of Saint-Floris belonged to old Flemish nobility, their descendants were incorporated by the French Crown. The title belonged to the Spanish Grandeza.Charles de Ghistelles x Barbe de La Plancque, Lady of Saint-Floris.
