sentences:  As the French Court settled in Loire Valley, the courtiers and ministers built or rebuilt palatial residences nearby.The Château d'Azay-le-Rideau (1518–1527) was constructed on an island in the Ile River by Gilles Berthelot, a wealthy banker from Tours, who was president of the Chamber of Accounts, Receiver-General of Finances, and Treasurer of France.From 1518 to 1524, dykes were built to stabilize the foundations.