[SunkenCiv]

Not German, Silesian.

http://www.cafebabel.co.uk/berlin/article/upper-silesia-torn-between-poland-germany-and-dreams-of-autonomy.html

https://www.ft.com/content/7ff14a52-74a2-11e3-9125-00144feabdc0

http://www.voxeurop.eu/en/content/article/578111-irreducible-autonomy-silesia

http://www.google.com/search?q=Silesian%20Autonomy&spell=1&ie=UTF-8

[Moltke]

Not German, Silesian.

German, not Polish.

https://en.wikipedia.org/wiki/Landsmannschaft_Schlesien

They've been quiet, though, for the past few years, AFAIK.