Hello Bill,
Wiefels is a Parish in the region of Jever, northern Oldenburg. Wehlens is
part of the parish of Sengwarden, not far from Wiefels.
For Sengwarden you could write (snail-mail) to
Arthur Boergmann, Waagestr. 34, 26386 Wilhelmshaven-Ruestersiel.
For Wiefels try Doris Wolken. (email: Otto.Wolken@ewetel.net
It will only be next week that I will look for Harms in Oldenburg.
Regards
Gerold Diers