When did Giovanni del Sega die?

There is no known historical figure named "Giovanni del Sega". It's possible you might be thinking of someone else, or the name is a misremembered or misspelt version of a real person's name.

Could you please provide more information about the person you are looking for? For example, you could provide:

* Any other information you know about them, such as their profession, location, or time period.

* The source where you came across the name.

With more details, I might be able to help you find the information you are looking for.