The whole mundane history and geography of Triamore is quite messed up in the book. I have been researching the political area and I have to say that real history is MUCH more interesting than. The one in the book.
You can find our current (needs an update soon since I have more info) development here: Timeline
First post is about imperial stuff. There is a later post about local county politics. I have been having massive fun compiling all that surfing the Wikipedia.
Basically Namur and Luxembourg are at loggerheads most of the time, but Hainaut and Brabant also play a role. And then you add the next layer of imperial/king politics and things get a lot more messy still.