Of course, you realize “da Vinci” isn’t some sort of surname or epithet, but merely means he was “from Venice,” right? As opposed to Charlemagne, which means “Charles the Great,” and totally WAS an epithet he was given. Or Julius Caesar (King Julius). Or Barbarossa, which was a nickname.
On the other hand, even though Jennifer Lopez tried to go by “Jennie from the Bronx,” it would be silly to call her, “Hey! From the Bronx! Call me!”
He wasn’t from Venice. The family was from Vinci in Tuscany.
https://en.wikipedia.org/wiki/Vinci,_Tuscany
Biden means Dumas from Delaware
Gaius Julius Caesar was born in Rome, Italy in the year 100 BCE to the patrician family of Gaius Julius Caesar and his wife Aurelia
Caesar was his last name.