Perhaps you should try some spelling variations:
eberhard » gerhard (Expand Search), erhard (Expand Search), bernhard (Expand Search)
eberhardt » gerhardt (Expand Search), erhardt (Expand Search), bernhardt (Expand Search)
engelhard » engelhorn (Expand Search)
engelhardt » engelhornt (Expand Search)
gerhardt » gerhard (Expand Search), gebhardt (Expand Search), erhard (Expand Search)
finckh" » finkh" (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: "(eberhard OR ((eberhardt OR (engelhard OR engelhardt)) OR gerhardt)) (finckh" OR finck")~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"(eberhard OR ((eberhardt OR (engelhard OR engelhardt)) OR gerhardt)) (finckh\" OR finck\")".
• Removing quotes may allow a broader search: (eberhard OR ((eberhardt OR (engelhard OR engelhardt)) OR gerhardt)) (finckh OR finck ).
• Adding a wildcard symbol may retrieve word variants: "(eberhard OR ((eberhardt OR (engelhard OR engelhardt)) OR gerhardt)) (finckh" OR finck")*.