Jan van der Croon

Jan van der Croon, also called Jan della Croon, Johann de la Corona, or von der Cron, was a Dutch professional soldier and military commander in Spanish and Imperial service who reached the rank of lieutenant field marshal. Rising from a common soldier to an important officer, regiment holder, and city commander during the Thirty Years' War, he continued his career after the Peace of Westphalia in the military administration of Bohemia. For many years until his death, he served as city commander of Prague and vice military commander of Bohemia, strengthening fortifications and recruiting soldiers for the Second Northern War and the Austro-Turkish War.