Hej
Caprice,
Most Sorbs in Eastern Germany have got German first names (I mean names USED in Germany, not usually of German origin of course).
I can't think of many Sorb names... some first names are:
Borbora (Barbara or Bärbel in "German")
Bjarnat (Bernhard)
Køesæan (Christian) - I'm not sure about the right spelling here...
Pìtr (Peter)
Mìræin (Martin)
Arnošt (Ernst)
and some last names are (different spellings):
Schuppan / Župan
Starosta / Starosse
Witzschas / Wiæaz
Lehnig / Lenik
Hälsningar
Satu