John, Duke of Berry (b. 1340)
John of Berry or John the Magnificent (French: Jean de Berry; 30 November 1340 – 15 June 1416) was Duke of Berry and Auvergne and Count of Poitiers and Montpensier. He was Regent of France during the minority of his nephew 1380-1388. His brothers were King Charles V of France, Duke Louis I of Anjou and Duke Philip the Bold of Burgundy.
John is primarily remembered as a collector of the important illuminated manuscripts and other works of art commissioned by him, such as the Très Riches Heures. His personal motto was Le temps venra ("the time will come").