Hopefully someone can tell me about a town called "Muelheim An Der Ruhr". The name I am researching at the moment is Wischmann. My great-great grandparents, Herman Wischmann and Helene Knipscher were married there 11 April 1864. There are other Wischmann names from the same town. The church was Evangelical. How would I research this name in that area? Any help or information would be greatly appreciated. Thank you very much. Glen A Frederick