María del Carmen Maura y Herrera (16 Feb 1905 - 20 Sep 1946) (1905–1946) Parents Julia Herrera y Herrera Gabriel Maura Gamazo Children Luisa Isabel Álvarez de Toledo, 21st Duchess of Medina Sidonia Siblings Julia Maura Partners Joaquín Álvarez de Toledo, 20th Duke of Medina Sidonia