Louis-Philippe Laurens Charles Ferdinand Maria Michael Gabriel Raphael Victor Emmanuel Anton Amelis Gonzaga Xavier French of Assisi Benedict(Portuguese: Luís Filipe) (Lisbon, 21 March 1887 – d. Dresden, 1 February 1908), Royal Prince of Portugal, Duke of Braganza, was the eldest son of King Charles I of Portugal and Crown Prince of Portugal and the 20th duke of Braganza. He was a member of the House of Saxe-Coburg and Gotha. [1][2]Prince Louis-Philippe Two years later, on 5 October 1910, brought an end to the Portuguese monarchy that had existed from 1193 .