sentences:  Already declared a traitor in 1701 by Joseph I, Holy Roman Emperor, he was blamed with felony by the Diet of Regensburg, 30 June 1708, and all his possessions were confiscated.The House of Savoy obtained the remaining half of Montferrat, having already conquered the first half in the War of the Mantuan Succession in 1631.The Duchy of Mantua became Austrian and ceased its independent existence.