From 1621 to 1623 he commanded units of the Army of Flanders in the Palatinate, and Flanders, and defeated the Anglo-German Protestant forces in the sieges of Bacharach and Heidelberg and the Dutch at Fleurus.
In 1624 was awarded the title of the first Prince of Maratea by King Philip IV of Spain, and in 1630 he was awarded the title of Prince of the Holy Roman Empire by the Emperor Ferdinand II.
He was reinstated a few years later and sent to the Netherlands in 1632. Here he conducted operations on the lower Rhine in the rear of the victorious army of Gustavus Adolphus, but he was unable to prevent the Capture of Maastricht by Frederick Henry, Prince of Orange. He was recalled to Spain in 1633 and died at Montalbán in 1635, without having been married, and with no issue.
Trivia
He is also a character in the novel The Betrothed, where Alessandro Manzoni describes the anger of the Milanese populace towards him, when he leaves Milan in 1629.
Guthrie, P William. Battles of the Thirty Years War: From White Mountain to Nordlingen, 1618-1635 Greenwood Press (2001) ISBN0-313-32028-4
Pursell, C Brennan The Winter King: Frederick V of the Palatinate and the Coming of the Thirty Years' War Ashgate Publishing (2003) ISBN0-7546-3401-9
Black, Jeremy European Warfare, 1494-1660. Routledge Publishing (2002) ISBN0-415-27531-8
Lawrence, R David. The Complete Soldier: Military Books and Military Culture in Early Stuart England, 1603-1645. Brill Academic Publishing. ISBN90-04-17079-0
Josef V. Polišenský/Frederick Snider: War and society in Europe (1618-1648). Bristol: Cambridge University Press, 1978. ISBN978-0-521-21659-3