Christine Marie of France

Christine Marie of France was the sister of Louis XIII and the Duchess of Savoy by marriage. At the death of her husband Victor Amadeus I in 1637, she acted as regent of Savoy between 1637 and 1648.

Christine was born in the Palais du Louvre in Paris, she was the third child and second daughter of King Henry IV of France and his second wife, the Italian Marie de Medici. As a daughter of the king, she was a Fille de France. She was a younger sister of Louis XIII of France and Elisabeth of France. She was also an older sister of Nicholas Henri, Duke of Orlans, Gaston, Duke of Orlans and Henrietta Maria of France. Christine was a sisterinlaw of Philip IV of Spain through lisabeth and of Charles I of England through Henrietta Maria.

Source: Wikipedia