Doña María del Pilar González de Gregorio y Álvarez de Toledo, also known as Pilar Medina Sidonia, is a Spanish socialite.
Background
Born in Madrid, she is the daughter of Leoncio González de Gregorio y Martí and his wife Luisa Isabel Álvarez de Toledo, 21st Duchess of Medina Sidonia. She married, firstly, her second cousin, Rafael Márquez, 9th Count of las Torres de Alcorrín, second son of General José Joaquín Márquez y Álvarez de Toledo, 4th Duke of Santa Cristina, and María del Rosario Osorio y Díez de Rivera, 8th Countess of las Torres de Alcorrín, of the Ducal House of Alburquerque, on 16 September 1977, and divorced in 1981.
Career
Her main seat of residence is at González de Gregorio Palace, in Quintana Redonda, Soria. Pilar is a writer, and is the author of many articles and a novel, titled Nápoles 23. Since 2011, Pilar has served as chairman of Christie"s Spain.
She has one child from this marriage: Don José Márquez y González de Gregorio (b 12 July 1978) who married at the Church of Santa Barbara, Madrid on 30 April 2010 to Countess Edina Melanie Marie Zichy, granddaughter of amateur tennis player Count Imre Zichy.
Don Tomás Terry y González de Gregorio (b 6 August 1991). Titles Styles Honours.
