Complex sentence: His Lutheran chancellor, Mihály Csáky, persuaded him to order the two parties to summarize their views in writing and to send the summaries for review to Wittenberg, Leipzig and other two centers of theological studies in the Holy Roman Empire.
Split into simpler sentences: His Lutheran chancellor, Mihály Csáky, persuaded him to order the two parties to summarize their views in writing. The summaries were sent for review to Wittenberg, Leipzig and other two centers of theological studies in the Holy Roman Empire.