@Germania09; Sure
@Monter; The same way the Habsburgs did historically, marry into the House of Sforza and claim the duchy during the chaos of the Italian Wars.
Okay interesting, I am curious, for the timeline I am working on right now, I currently have Henry the Navigator as King of Portugal, through some mishaps with his older brothers, is there a chance the Habsburgs might become rulers of portugal if things go smoothly?