Marguerite de Navarre, Queen of Navarre, sister of King Francis I .

Marguerite, Navarre. Margaret, Angoulême, Valois
Marguerite de Navarre (1492-1549) by John James Hinchliff. “The Heptameron of Margaret, Queen of Navarre.

Marguerite de Navarre (1492-1549)

Marguerite de Navarre also Margaret of Angoulême, Margaret of Valois or Margaret of France, was the elder sister of King Francis I and, as the wife of Henri d’Albret, Queen of Navarre. Daughter of the highly educated Charles de Valois, comte d’Angoulême and Louise of Savoy. She was a patron of poets, artists and Protestant scholars and was even a writer. Her best-known literary work is the Heptaméron. 

Margaret, who could read seven languages, was active not only as a patron, but was also very interested in questions of faith and sympathized with Martin Luther. She promoted and patronized intellectuals who were also inclined to the Reformation. Her last stage of life she spent mostly in her little kingdom, far from the court in Paris. She had a daughter, Jeanne d’Albret, the future mother of Henry IV., The first Protestant king of France.

Source: John James Hinchliff: The Heptameron of Margaret, Queen of Navarre.