Charles, in spite of the cloud upon his mind, could hardly have been completely ignorant cf such facts; but it is not necessary to be a king to experience extreme displeasure on learning that offensive scandals are almost public, and on hearing the whole tale of them.

The king, carried away by his anger, went straight to Vincennes, had a violent scene with his wife, and caused Bosredon to be arrested, imprisoned, and put to the question; and he, on his own confession it is said, was thrown into the Seine, sewn up in a leathern sack, on which were inscribed the words, "Let the king's justice run its course!" Charles VI.

and Armagnac did not stop there.

Queen Isabel was first of all removed from the council and stripped of all authority, and then banished to Tours, where commissioners were appointed to watch over her conduct, and not to let her even write a letter without their seeing it.
But royal personages can easily elude such strictness.

A few months after her banishment, whilst the despotism of Armagnac and the war between the king and the Duke of Burgundy were still going on, Queen Isabel managed to send to the duke, through one of her servants, her golden seal, which John the Fearless well knew, with a message to the effect that she would go with him if he would come to fetch her.