Mme. de Guitaut

Mme. de Guitaut appears as one of the queen's ladies-in-waiting, present in the intimate circle of Anne of Austria's chamber. She is listed among the women attending the queen during a reading, alongside Mme. de Sable, Mme. de Montbazon, and Mme. de Guemene, with the Spanish companion Donna Estafania also present. This grouping places her within the most trusted, yet also the most watched, sphere of the queen's daily life.

Role as a Cardinalist Informant

Mme. de Guitaut's true significance emerges not from her actions in the queen's service but from her secret allegiance to Cardinal Richelieu. She is described as "devoted to your Eminence," a phrase that reveals her function as a spy planted within the queen's household. It is she who reports to the cardinal's agent, the Comte de Rochefort, the crucial intelligence that the queen has met with the Duke of Buckingham at the Louvre. Her report is detailed and precise: she notes that the queen, after receiving a handkerchief from her laundress, showed strong emotion and paled despite her rouge, then left her women for three-quarters of an hour, accompanied only by Donna Estafania. Upon her return, the queen took a rosewood casket containing the diamond studs given to her by the king and left again, returning without it. Mme. de Guitaut's surveillance thus provides the cardinal with the proof he needs to confirm the queen's secret gift of the studs to Buckingham, a discovery that drives the central conflict of the diamond studs affair.

Narrative Significance

Mme. de Guitaut embodies the pervasive atmosphere of suspicion and betrayal that surrounds Queen Anne of Austria. Her presence as a trusted lady-in-waiting who is simultaneously a cardinalist agent illustrates the queen's isolation and the constant threat of exposure under Richelieu's surveillance. The information she provides is not merely gossip but a strategic weapon, directly enabling the cardinal's plot to humiliate the queen at the ball by revealing the absence of the studs. Her role, though brief, is a crucial link in the chain of events that sends d'Artagnan on his perilous journey to England to retrieve the studs and save the queen's honor.