They had the following children : Philip died unexpectedly on 18 July 1765 in Alessandria , Italy , after having accompanied his daughter Maria Luisa on her way to Genoa , where she sailed for Spain to marry Infante Charles .
Philip died unexpectedly on 18 July 1765 in Alessandria , Italy , after having accompanied his daughter Maria Luisa on her way to Genoa , where she sailed for Spain to marry Infante Charles .