Marie de Bourbon, Countess of Soissons

Marie de Bourbon was the wife of Thomas Francis, Prince of Carignano and thus a Savoyard princess by marriage. At the death of her brother in 1641, she became Countess of Soissons in her own right, passing the title down three generations of the House of Savoy.

Marie de Bourbon was born at the Htel de Soissons in Paris, was the second daughter and youngest child of Charles, Count of Soissons and his wife Anne de Montafi. At the court of Louis XIII, Marie enjoyed the rank of princesse du sang. She was a sister of the Duchess of Longueville. Originally placed in the Abbey of Fontevraud in Anjou, she took the habit onApril 1610 aged just four.

Source: Wikipedia