[Ger-Poland-Volhynia] Finding WUERCH descendants in Germany

[Carol Jones]

Can someone on this list direct me to a genealogical society in Germany for locating descendants of Else Louise Ruppel, nee Wuerch, born 6 Oct 1895 in Miroslawka Volhynia, last known address:

Else Ruppel
Quetzen 44
Post Lahde/Weser
Kreis Minden
Westfalen

Carol Jones researching "Which Wurch/Werch/Wuerch/Wirch/Wuirch is which"