Diane de France

Diane de France, ''suo jure'' Duchess of Angoulême (25 July 1538 – 11 January 1619) was the natural (illegitimate) daughter of Henry II of France and his Italian lover Filippa Duci. She played an important political role during the French Wars of Religion and built the Hôtel d'Angoulême in Paris. She was the favorite of her half-brother, Henry III of France. Provided by Wikipedia