Bourbon, Charles, duc de (shärl, dük də bōrbôNˈ) [key], 1490–1527, constable of France and governor of Milan. He distinguished himself at the battle of Marignano (1515) in the Italian Wars between King Francis I and Holy Roman Emperor Charles V. Enmity, encouraged by the queen mother, Louise of Savoy, arose between King Francis I and the duke, who went over to the emperor, after long negotiations, in 1523. His estates were confiscated. He fought against the French in Italy, notably at the battle of Pavia (1525), and was killed in an attack on Rome, which was sacked by his unpaid, mutinous troops.
See biography by C. Hare (1911).
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