(Photo: Semperoper/Ludwig Olah) The almost 800-year-old conflict on the Iberian Peninsular between the Spanish and the Moorish invaders gave rise to many stories of heroism, love and bloodshed. While some were based on fact, others were simply romantic embellishments or complete fabrications. One such tale of questionable authenticity concerns Rahel, the Jewish mistress of the King of Castile, Alfonso VIII. {…}