Hello Michael and Michael,
Unfortunately it seems that the Ev. Lutheran parish registers of both
Kunzendorf and Steinau were destroyed in the last war or in the years after
1945.
For detailed information, please find following links:
http://www.genealogienetz.de/reg/SCI/kirchenbuecher/base/index.html
http://baza.archiwa.gov.pl/sezam/pradziad.eng.php
Kind regards,
Thomas (Taubenberger)