King Felipe VI and Queen Letizia of Spain arrive to attend the funeral for Infanta Pilar of Spain, Duchess of Badajoz and Viscountess of La Torre, commonly known as Pilar de Borbon, at the basilica of the Royal Site of San Lorenzo of El Escorial in San Lorenzo del Escorial on January 29, 2020. - The elder sister of King Emeritus of Spain, Juan Carlos I, Maria del Pilar Alfonsa Juana Victoria Luisa Ignacia y Todos los Santos de Borbon y Borbon, or simply known as Pilar de Borbon, passed away on January 8, 2020 at the age of 83 in a hospital in Madrid.