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".
Adalrich, Duke of Alsace Adalrich (Latin: "Adalricus" ; reconstructed Frankish: "*Adalrik"; died after 683 AD), also known as Eticho, was the Duke of Alsace, the founder of the family of the Etichonids and of the Habsburg, and an important and influential figure in the power politic of late seventh-century Austrasia.