Infanta Pilar of Spain, Duchess of Badajoz and Viscountess of La Torre (Spanish: María del Pilar Alfonsa Juana Victoria Luisa Ignacia y Todos los Santos de Borbón y Borbón; 30 July 1936 – 8 January 2020), sometimes known more simply as Pilar de Borbón,[1] was the elder daughter of Infante Juan, Count of Barcelona and Princess María Mercedes of the Two Sicilies, and older sister of King Juan Carlos I.

[10] Pilar needed to renounce her rights of succession to the Spanish throne to marry a commoner as stipulated by the Pragmatic Sanction of Charles III on marriages of members of the royal family.

[11] She married Luis Gómez-Acebo y Duque de Estrada, 2nd Viscount of La Torre (23 December 1934 – 9 March 1991) on 5 May 1967 in Lisbon, Portugal at Jerónimos Monastery,[12][13] who obtained with his marriage the status of Grandee of Spain.

[21] Until her death, she was one of the leaders and supporters of the Rastrillo Nuevo Futuro event, which provided part of the income that financed Asociación.

In 1993, London-based Timothy Lloyd who had represented the undisclosed owner of the company said that Pilar de Borbón owned it.

[30][31] Pilar was operated for an intestinal obstruction on 2 February 2019 in Madrid,[32][33] and was diagnosed with colon cancer in 2019, being made public in May of the same year.

[37] She was cremated on 9 January and her ashes were buried alongside her husband in Saint Isidore Cemetery, Madrid, in a private ceremony.

[38][39] On 28 January, her funeral was held in El Escorial basilica, attended by her nephew King Felipe VI of Spain, former Queen of the Netherlands, Princess Beatrix, her brother Juan Carlos I and Queen Sofía, cousin-in-law by marriage Queen Margarita (wife of Simeon II of Bulgaria), the Duke of Braganza Duarte Pio, and Spanish political authorities represented by Deputy Prime Minister Carmen Calvo, Mayor of Madrid José Luis Martínez-Almeida and President of the Congress of Deputies Meritxell Batet.