Perhaps you should try some spelling variations:
erhard » gerhard (Expand Search)
eberhardt » ebgerhardt (Expand Search), ebehrhardt (Expand Search), ebgebhardt (Expand Search)
erhardt » gerhardt (Expand Search), ehrhardt (Expand Search), gebhardt (Expand Search)
gerhardt » ggerhardt (Expand Search), gehrhardt (Expand Search), ggebhardt (Expand Search), gerhard (Expand Search), gebhardt (Expand Search)
bernhardt » bernhard (Expand Search), reinhardt (Expand Search), bernard (Expand Search)
finckh » finck (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (erhard OR (((eberhardt OR erhardt) OR gerhardt) OR (bernhardt OR gerhardt))) finckh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(erhard OR (((eberhardt OR erhardt) OR gerhardt) OR (bernhardt OR gerhardt))) finckh".
• Adding a wildcard symbol may retrieve word variants: (erhard OR (((eberhardt OR erhardt) OR gerhardt) OR (bernhardt OR gerhardt))) finckh*.