John the Fearless , Duke of Burgundy and ally of the English , aimed in 1417 at making Troyes the capital of France , and he came to an understanding with Isabeau of Bavaria , wife of Charles VI of France , that a court , council , and parlement with comptroller 's offices should be established at Troyes .
In 1417 , the Duke of Burgandy and Isabeau of Bavaria , wife of Charles VI of France , planned to establish the capital of France at Troyes .