https://en.wikipedia.org/wiki/Yolande_of_Aragon
Yolande of Aragon (11 August 1384 – 14 November 1442) was Duchess of Anjou and Countess of Provence by marriage, who acted as regent of Provence during the minority of her son. She was a daughter of John I of Aragon and his wife Violant of Bar (daughter of Robert I, Duke of Bar, and Marie of Valois).Yolande played a crucial role in the struggles between France and …