<https://theonlineportraitgallery.com/portrait/charles-ii-gonzaga-duke-of-mantua-and-montferrat-2/>
<http://schema.org/datePublished>
"2021-05-06T08:14:07+00:00"^^<http://schema.org/Date>
<https://theonlineportraitgallery.com/portrait/charles-ii-gonzaga-duke-of-mantua-and-montferrat-2/>