Jeanne d'Albret, queen of Navarre, mother of king Henri IV of France. This portrait of Jeanne d'Albret shows her wearing a ruff open at the front above the partlet and crescent neckline as well as a draped necklace.
Joanna of Castile – was the first queen regnant to reign over both the Kingdoms of Castile and of Aragon. Unfortunately, she was also referred to as Juana la Loca (Joanna the Mad.) She was the daughter of Isabella I of Castile and Ferdinand II of Aragon.