He is one of the most famous italian people. And his father may help our poor Prince who needs a ladder instead of a rope to get down the donjon (He is too chicken to use the rope :o)

Follow the link with your password (remember, the town where you can see Nasr Eddin on the donkey ): you'll find a puzzle.

This puzzle will give you his name, and consequently, his father's name which is the clue of the next step.

Don't forget  :  Proper nouns start with a capital letter ! 

https://thinfi.com/20dj