These sites can help with the creation of your own factions, by giving you some ideas.
Of course the actual blazons are the property of the family's involved, so of course you don't want to make a direct copy and try to sell it or something, but they are great for inspiration.
plus they can give a bit of a history lesson as well.
www.briantimms.com (go to the european rolls)
www.earlyblazon.com
and
http://www.renaissance.dm.net/heraldry/index.html (this site is great for learning the basics of heraldry)
Hope you enjoy!
