 The queen feuded with Henry's mistresses in language that shocked French courtiers.She quarreled mostly with her husband's leading mistress, Catherine Henriette de Balzac d'Entragues, whom he had promised he would marry following the death of his former "official mistress", Gabrielle d'Estrées.When he failed to do so, and instead married Marie, the result was constant bickering and political intrigues behind the scenes.