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)
gerhardt » gerhard (Expand Search), erhard (Expand Search)
gehrhardt » ehrhardt (Expand Search), gerhard (Expand Search), gerhart (Expand Search)
gebhardt » gerhard (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: (eberhard OR ((eberhardt OR (gerhardt OR gehrhardt)) OR gebhardt)) (finkh OR finck)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(eberhard OR ((eberhardt OR (gerhardt OR gehrhardt)) OR gebhardt)) (finkh OR finck)".
• Adding a wildcard symbol may retrieve word variants: (eberhard OR ((eberhardt OR (gerhardt OR gehrhardt)) OR gebhardt)) (finkh OR finck)*.