Charles III References Charles III duke of Savoy Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Philibert Berthelier…the powerful duke of Savoy, Charles III, to maintain the independence of Geneva. Read More…the powerful duke of Savoy, Charles III, to maintain the independence of Geneva. Read More