Gabrielle d'Estrées, Duchess of Beaufort and Verneuil, Marchioness of Monceaux was a mistress, confidante and adviser of Henry IV of France. She is noted for her role in ending the religious civil wars that plagued France for more than 30 years.
Portrait of Gabrielle d'Estrées
César de Bourbon, Duke of Vendôme
Catherine Henriette de Bourbon, Légitimée de France
Margaret of Valois, popularly known as La Reine Margot, was a French princess of the Valois dynasty who became Queen of Navarre by marriage to Henry III of Navarre and then also Queen of France at her husband's 1589 accession to the latter throne as Henry IV.
Catherine de Medici with her children in 1561: Francis, Charles IX, Margaret and Henry III.
Princess Margaret of Valois. Portrait by François Clouet, 16th century. Margaret was considered in her time beautiful, cultured, refined and flirtatious: for this she was called the "pearl of the Valois".
Henry of Navarre and Margaret of Valois