 The Hours was probably commissioned by Yolande of Aragon (also Iolanthe, Jolantha, and Violant), daughter of Juan I of Aragon, Duchess of Anjou (1380–1443) for her nephew, Charles, the Dauphin of France.Yolande was the widow of Louis II, Duke of Anjou (reigned 1384–1417).In 1422, Yolande married her oldest daughter to Charles, in which case this book could have been commissioned as a wedding gift.