The tragedy of Giovanna d'Aragona inspired many writers, but which one wrote the play The Duchess of Malfi?
Giovanna d'Aragona, Duchess of Amalfi:  Her tragic life inspired several works of literature, most notably John Webster's play, "The Duchess of Malfi". The Duchess of Malfi: The Duchess of Malfi (originally published as The Tragedy of the Dutchesse of Malfy) is a macabre, tragic play written by the English dramatist John Webster in 1612–13.
John Webster