Simplify the following text for a Grade 10 native English-speaking person.
Original: Leonardo had no surname in the modern sense , â da Vinciâ simply meaning â of Vinciâ : his full birth name was `` Lionardo di ser Piero da Vinci '' , meaning `` Leonardo , ( son ) of ( Mes ) ser Piero from Vinci '' . The inclusion of the title `` ser '' indicated that Leonardo 's father was a gentleman .
Simplified: Leonardo 's full name was `` Leonardo di ser Piero da Vinci '' , which means `` Leonardo , the son of Messer ( Mister ) Piero from Vinci '' .