Catherine of Cleves (1417–1479)
…1479) was Duchess of Guelders by marriage to Arnold, Duke of Guelders. She acted as regent of Guelders during the absence of her spouse in 1450. The Hours of Catherine of Cleves was commissioned for her. Catherine was the daughter of Adolph I, Duke of Cleves and Marie of Burgundy. She was a niece of Philip the Good…