 Complete the following phrase:  The eldest son of François de La Trémoïlle, Louis III 1521-1577, was the first of his family to obtain ducal status when Charles IX conferred that honor upon him in 1563. His son with Jeanne de Montmorency, Claude 1566-1604, had the dukedom elevated into a peerage in 1595, although it was not registered as hereditary in the Parlement until 1599. He had converted to Protestantism and fought for the Huguenots during the French Wars of Religion at the battles of 