Who was the Grand Duke of Alba and Iron Duke in the Netherlands that defeated William the Silent's invading army?
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. He was titled the 3rd Duke of Alba de Tormes, 4th Marquis of Coria, 3rd Count of Salvatierra de Tormes, 2nd Count of Piedrahita, 8th Lord of Valdecorneja, Grandee of Spain, and a Knight of the Order of the Golden Fleece. His motto in Latin was "Deo patrum Nostrorum", which in English means "To the God of our fathers".
John III of Sweden John III (Swedish: "Johan III" , Finnish: "Juhana III" ) (20 December 1537 – 17 November 1592) was King of Sweden from 1568 until his death. He was the son of King Gustav I of Sweden and his second wife Margaret Leijonhufvud. He was also, quite autonomously, the ruler of Finland, as "Duke John" from 1556 to 1563. In 1581 he assumed also the title Grand Prince of Finland. He attained the Swedish throne after a rebellion against his brother Eric XIV. He is mainly remembered for his attempts to close the gap between the newly established Lutheran Church of Sweden and the Catholic church.