Rome. His action against the Cardinal was done not only without the consent of the cardinals in consistory, but in fact over their vigorous objections. By June, however, the Pope was in negotiations with the Cardinal for reconciliation and return to Rome. His benefices were restored to him after an apparent reconciliation with the Pope in August 1498. Louis XII and his Italian War King Charles VIII of France, the last of the senior branch of the House of Valois, died on 7 April 1498 after accidentally striking his head on the lintel of a door at the Château d'Amboise. When Cesare Borgia passed through southern France in October 1498 on his way to meet King Louis XII for his investiture as Duke of Valentinois, he stopped in Avignon and was magnificently entertained by Cardinal della Rovere. They then moved on to meet the King at Chinon, where Cesare Borgia fulfilled one of the terms of the treaty between Louis and Alexander by producing the red hat of a cardinal, which had been promised for the Archbishop of Rouen, Georges d'Amboise. It was Cardinal della Rovere, the Papal Legate, who placed the hat on Amboise's head. Louis wanted an annulment from Queen Joan so he could marry Anne of Brittany, in the hope of annexing the Duchy of Brittany; Alexander, in turn, wanted a French princess as wife for Cesare. Della Rovere, who was trying to repair his relations with the House of Borgia, was also involved in another clause of the treaty, the marriage between Cesare Borgia and Carlotta, the daughter of the King of Naples, who had been brought up at the French Court. Della Rovere was in favor of the marriage, but, according to Pope Alexander, King Louis XII was not, and, most especially, Carlotta was stubbornly refusing her consent. Alexander's plan of securing a royal throne for his son fell through, and he was very angry. Louis offered Cesare another of his relatives, the "beautiful and rich" Charlotte d'Albret, whom Cesare married at Blois on 13 May 1499. The marriage produced a complete volta facie in Pope Alexander. He became an open partisan of the French and Venice, and accepted their goal, the destruction of the Sforza hold on Milan. On 14 July, Cardinal Ascanio Sforza, della Rovere's sworn enemy, fled Rome with all his property and friends. Meanwhile, the French army crossed the Alps and