More on Silvanella from Infoplease:

• Silvanella - Silvanella A beautiful maga or fata in Bojardo, who raised a tomb over Narcissus, and then ...
• Fata - Fata Women introduced in mediæval romance not unlike witches, and under the sway of ...
• Dictionary of Phrase and Fable: S - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "S"