Question: Who was the Grand Duke of Alba and Iron Duke in the Netherlands that defeated William the Silent's invading army?
Sentence (from "Fernando Álvarez de Toledo, 3rd Duke of Alba"): Fernando Álvarez de Toledo y Pimentel (29 October 150711 December 1582), known as the Grand Duke of Alba in Spain and the Iron Duke in the Netherlands, was a Spanish noble, general, and diplomat.
Relevant evidence: Yes