Luis Guillermo de Moncada, 7th Duke of Montalto

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Luis Guillermo de Moncada y de Aragon y de la Cerda y de la Cueva (Collesano, 1 January 1614 - Madrid, 4 March 1672) was a Spanish nobleman and Roman Catholic cardinal. He was a Knight of the Military Order of Alcantara in 1630, Viceroy of Sicily 1635 -1639,^[1] Captain General and Viceroy of Sardinia (1644), Viceroy of Valencia in 1652 and a Knight of the Order of the Golden Fleece in 1651.