Saint Simon de Valois was an 11th-century nobleman and Catholic priest who held several significant titles, including Count of Amiens, the Vexin, and Valois. Born in Bar-sur-Aube around 1048, he inherited vast lands from his father, Ralph IV, in 1074. His position between the French royal domain and the territories of the King of England made him a powerful figure. After a period of conflict with King Philip I over his inheritance, he eventually renounced his worldly status to pursue a religious life.