Not sure if this is proper, or there's already a place around to post this kind of things, but I found this article that is not specifically about 7th Sea, but I thought it could be really interesting. I thought that instead of starting a thread just to share this it could be good to have a repository of this kind of links...
32 Marooners, Castaways or Survivors in the Water by Black Shark Entreprises. They have a few useful posts.
Thank you, @AlfredoTarancón for starting this thread.
I got inspired to linclude the following list from Rob Ossian's collection of historic Pirates and Explorers (including inspiration biographies):
http://www.7thsea2e.com/port/blog/pirates-and-explorers-earth-7th-sea
TAJ-07: Technopriest And Justicar Of 7thSea2e
Another interesting article by blackshark...
20 Positions on a Ship Besides the Captain