Talk:Marco Cornaro

What proof corroborates the following statement about the Cornaro family having a lineage traceable to the Romans?

"The Cornaro family to which the future doge was born was one of Venice's oldest, its lineage traceable to the Romans."Vancouveriensis (talk) 05:30, 14 March 2012 (UTC)
 * The Enciclopedia Italiana describes his family as 'ancient', usually interpreted as belonging to the classical era. Giotto to Dürer: early Renaissance painting in The National Gallery says his family claimed descent from the gens Cornelia. &mdash; BillC talk 23:06, 15 March 2012 (UTC)