The Count makes an important contribution to my work. You get access to my posts and you are mentioned in the credits in my videos (if you want to).

The Markgraf is an important contributer to my channel. You get all of the above plus a special shoutout in one of my videos (if you want to).

The Kurfürst can play an active role on my channel. You get all of the above plus access to topics I am currently working on or which might not make it into the public videos.

The Herzog traditionally marched at the front of an army. You get all of the above, plus the bragging rights of being a Herzog.