Complex sentence: His call to the parliament of Rennes proved the opposite; at the reception as a member of the court of Brittany, on 6 April 1574, he read in public a statement of Catholic faith.
Split into simpler sentences: His call to the parliament of Rennes proved the opposite. At the reception as a member of the court of Brittany, on 6 April 1574, he read in public a statement of Catholic faith.