John of Bourbon (1381–1434) was Duke of Bourbon from 1410 and Duke of Auvergne from 1416 until his death. He was the eldest son of Louis II and Anne of Auvergne. Through his mother, John inherited the County of Forez.
During the Armagnac–Burgundian Civil War he took sides against the Burgundians. John was captured at the Battle of Agincourt and died a prisoner in London, in spite of the payment of several ransoms, and promises to support the king of England as king of France.
Marie de Berry (c. 1375 – June 1434) was suo jure Duchess of Auvergne and Countess of Montpensier in 1416–1434. She was the daughter of John, Duke of Berry, and Joanna of Armagnac. She was married three times. She acted as administrator of the Duchy of Bourbon for her third spouse John I, Duke of Bourbon, during his imprisonment in England after he was captured following the French defeat at the Battle of Agincourt in 1415, until 1434.
Charles de Bourbon (1401 – 4 December 1456) was the oldest son of John I, Duke of Bourbon and Marie, Duchess of Auvergne.
View the full Wikipedia page for Charles I, Duke of Bourbon