Charlotte de Sauve

Charlotte de Beaune Semblanay, Viscountess of Tours, Baroness de Sauve, Marquise de Noirmoutier was a French noblewoman and a mistress of King Henry of Navarre, who later ruled as King Henry IV of France. She was a member of Queen Mother Catherine de Medicis notorious Flying Squadron , a group of beautiful female spies and informants recruited to seduce important men at Court, and thereby extract information to pass on to the Queen Mother.

Charlotte was born in France onOctober 1551, the daughter and only child of Jacques de Beaune, Baron Semblanay, Viscount of Tours, and Gabrielle de Sade, a descendant of Provenal nobility. The family seat was in the former province of Touraine. Her greatgrandfather, Jacques de Beaune was a superindendent of finance to King Francis I who ordered his execution in 1527 at the instigation of his mother, Louise of Savoy. Charlotte later succeeded her father to the barony of Semblanay and the viscounty of Tours.

Source: Wikipedia