Wikipedia:Articles for deletion/Noble Virgins of Jesus
seems notable enough within the context of Italian history and the House of Gonzaga (in that it was founded by three members of that family and its charter was written by a fourth, in response to the killing of a fifth). The http://it.wikipedia.org/wiki/Vergini_di_Ges%C3%B9 Italian article has citations from three books, and I was able to find two more English-language ones discussing the order at reasonable length. I used one to expand and add citations to the page. The other, which provided substantially similar information to the one I used, is "Bradshaw's Illustrated Hand-Book to Italy" by George Bradshaw, published in London in 1865 by W.J. Adams. In any event, I'd think that those five books are enough to demonstrate that the article meets 
— User:Hit, 15:33, 15 November 2011 (UTC)
Stance: keep
Cited policy: WP:GNG (Wikipedia:Notability)