About Princess María de los Dolores of Bourbon-Two Sicilies
Princess Dolores of Bourbon-Two Sicilies (15 November 1909, in Madrid, Spain – 11 May 1996, in Madrid, Spain) was a daughter of Prince Carlos of Bourbon-Two Sicilies and his wife Princess Louise of Orléans.
Princess Dolores was born into the House of Bourbon-Two Sicilies and was a member of the Polish noble Czartoryski family through her marriage to Prince Augustyn Józef Czartoryski.
She was also an aunt of Juan Carlos I of Spain, son of her sister Princess María de las Mercedes of Bourbon-Two Sicilies.