Louis I, Duke of Bourbon, born in 1376 and died in 1446, Count of Vendome (1393-1446), son of Jean de Bourbon, Count of La Marche and of Vendôme and Catherine de Vendôme. He is the ancestor by males of King Henry IV of France
In 1393, the death of his father, his mother joins the Government of Vendome county, then leaves him alone count in 1403. In 1406, he bought Mondoubleau it relates to the county.
In court, it is close to the Duke of Orleans and was appointed ambassador three times Grand Chamberlain (1408) and sovereign master of the King's Hotel (1413).
The Armagnac party during the civil war between Armagnacs and Burgundians, he was captured twice (1407 and 1412) by the Burgundians, and a third time by the English at the Battle of Agincourt in 1415. His third captivity lasts thirteen years and during that time, the Duke of Bedford County Vendôme attributed to one of his captains, Robert Willughby.
Back in France, he participated in the liberation of Orleans with Joan of Arc, the command headquarters of Jargeau, attended the king's coronation in Rheims, was present at the signing of the Treaty of Arras (1435)