The Jewess of Toledo is a play by Franz Grillparzer

Franz Grillparzer

Franz Seraphicus Grillparzer was an Austrian writer who is chiefly known for his dramas. He also wrote the oration for Ludwig van Beethoven's funeral.-Biography:...

. Written in 1851, it was first performed in Prague

Prague

Prague is the capital and largest city of the Czech Republic. Situated in the north-west of the country on the Vltava river, the city is home to about 1.3 million people, while its metropolitan area is estimated to have a population of over 2.3 million...

 in 1872, after Grillparzer's death.

The play is based on the love affair between King Alfonso VIII of Castille and Rahel la Fermosa

Rahel la Fermosa

Rahel la Fermosa was a Jewish woman who lived in Toledo, Spain in the twelfth century. She was the paramour of King Alfonso VIII of Castile, husband of Leonora of England, for almost seven years. Under her influence a number of Spanish Jews were appointed to positions within the royal court. This...

, a Jewish woman.

"La Historia de Fermosa" by Abraham S. Marrache covers the same story, but in the form of a historical novel - Hebraica Ediciones, Madrid 2009 : http://lahistoriadefermosa.com