Treaty of Athis-sur-Orge References Treaty of Athis-sur-Orge French history 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: Guy…independence of Flanders in the Treaty of Athis-sur-Orge (1305). Read More…independence of Flanders in the Treaty of Athis-sur-Orge (1305). Read More