He fought with William the Rich until the Treaty of Venlo gave him the Duchy of Guelders, and with the help of his sister Eleanor, the Queen of France, he secured the Peace of Crepy.  He defeated Barbarossa to capture Tunis, and he defeated the Schmalkaldic League at Muhlberg with the help of the Duke of Alba.  His general Charles of Lannoy secured the Treaty of Madrid for this man by defeating Francis I at Pavia.  The son of Philip the Handsome and Joanna the Mad, he issued an edict condemning Martin Luther after calli
He fought with William the Rich until the Treaty of Venlo gave him the Duchy of Guelders, and with the help of his sister Eleanor, the Queen of France, he secured the Peace of Crepy.  He defeated Barbarossa to capture Tunis, and he defeated the Schmalkaldic League at Muhlberg with the help of the Duke of Alba.  His general Charles of Lannoy secured the Treaty of Madrid for this man by defeating Francis I at Pavia.  The son of Philip the Handsome and Joanna the Mad, he issued an edict condemning Martin Luther after calling the Diet of Worms.  For 10 points, name this Habsburg father of Philip II who ruled both Spain and the Holy Roman Empire.
He fought with William the Rich until the Treaty of Venlo gave him the Duchy of Guelders, and with the help of his sister Eleanor, the Queen of France, he secured the Peace of Crepy.  
Charles V [or Charles I of Spain]