 Historian Tracy Adams describes Isabeau as a talented diplomat who navigated court politics with ease , grace and charisma . Charles had been crowned in 1387 , aged 20 , attaining sole control of the monarchy . His first acts included the dismissal of his uncles and the reinstatement of the so @-@ called Marmousets — a group of councilors to his father , Charles V — and he gave Orléans more responsibility . Some years later , after Charles ' first attack of illness , tensions mounted between Orléans and the royal uncles — Philip the Bold , Duke of Burgundy ; John , Duke of Berry ; and Louis II , Duke of Bourbon . Forced to assume a greater role in maintaining peace amidst the growing power struggle , which was to persist for many years , Isabeau succeeded in her role as peacekeeper among the various court factions . 
