Definately a good set of rules, though I am less enamoured with the Know The Rules rule. I would replace it with Know Enough of the Rules and Know Where to Find the rest. Of course, this depends on the type of gaming you do and the type of players... Go to Comment
Surnames: The Chinese were among the very first cultures to adopt the use of hereditary surnames (around 2800 BC). But the custom didn't quite catch on in Europe - at least not until the Venetian aristocracy made it popular sometime between the 10th and 11th centuries AD. What culture made it popular in your setting and why?