Pier Antonio Mezzastris (or Pierantonio) was the more famous, and the one usually meant when no first name is indicated
Bernardino Mezzastris (or Belardino), possibly the son of the preceding, was a lesser known painter
Surname list
This page lists people with the surnameMezzastris. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.