Complex sentence: Mary would continue, however, to be styled Queen of France for the rest of her reign (January 7-November 17,1558), as did her half-sister and successor Elizabeth I (November 17,1558-March 24,1603).
Split into simpler sentences: Mary would continue, however, to be styled Queen of France for the rest of her reign (January 7-November 17,1558). As did her half-sister and successor Elizabeth I of England (November 17,1558-March 24,1603).