Perhaps you should try some spelling variations:
erhard » gerhard (Expand Search)
gerhardt » ggerhardt (Expand Search), gerhard (Expand Search), eberhardt (Expand Search), gehrhardt (Expand Search), geberhardt (Expand Search)
erhardt » gerhardt (Expand Search), ehrhardt (Expand Search), eberhardt (Expand Search)
reinhardt » reinhard (Expand Search)
gehrhardt » ehrhardt (Expand Search), gerhard (Expand Search), gerhart (Expand Search)
gebhardt » gerhard (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 (((gerhardt OR reinhardt) OR ((gehrhardt OR gebhardt) OR erhardt)) OR erhardt)) finck~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(erhard OR (((gerhardt OR reinhardt) OR ((gehrhardt OR gebhardt) OR erhardt)) OR erhardt)) finck".
• Adding a wildcard symbol may retrieve word variants: (erhard OR (((gerhardt OR reinhardt) OR ((gehrhardt OR gebhardt) OR erhardt)) OR erhardt)) finck*.