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)
engelhardt » engelhard (Expand Search)
bernhardt » bernhard (Expand Search), reinhardt (Expand Search), gerhardt (Expand Search)
finkh" » fink" (Expand Search)
finck" » fink" (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 engelhardt) OR (bernhardt OR erhardt))) (finkh" OR finck")~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"(erhard OR ((eberhardt OR engelhardt) OR (bernhardt OR erhardt))) (finkh\" OR finck\")".
• Removing quotes may allow a broader search: (erhard OR ((eberhardt OR engelhardt) OR (bernhardt OR erhardt))) (finkh OR finck ).
• Adding a wildcard symbol may retrieve word variants: "(erhard OR ((eberhardt OR engelhardt) OR (bernhardt OR erhardt))) (finkh" OR finck")*.