Infanta Pilar of Spain, Duchess of Badajoz, Dowager Viscountess of la Torre (Spanish: Mar铆a del Pilar Alfonsa Juana Victoria Luisa Ignacia y Todos los Santos de Borb贸n y Borb贸n-Dos Sicilias; born 30 July 1936), sometimes known more simply as Pilar de Borb贸n is the elder daughter of Infante Juan, Count of Barcelona and Princess Mar铆a Mercedes of Bourbon-Two Sicilies, and older sister of King Juan Carlos I.
She has also a younger sister, Infanta Margarita of Spain.