Duque Negro (César Borgia) was released in the year 1963。Duque Negro (César Borgia) is also called as Duca nero, Il, The Black Duke, Kaisar Borgias, Cesare Borgia, A Vingança de César Bórgia。

Cesar Borgia--a cardinal in the Catholic church, a confidant of the Pope and a member of one of the wealthiest and most powerful families in 16th-century Italy--must deal with a host of political and personal crises. He is having problems with his mistress, and members of a secret society called The Black Carnation are out to assassinate him.