Perhaps you should try some spelling variations:
erhardt » ehrhardt (Expand Search), eberhardt (Expand Search), gebhardt (Expand Search)
gerhardt » gehrhardt (Expand Search), geberhardt (Expand Search), ggebhardt (Expand Search), gebhardt (Expand Search), eberhardt (Expand Search)
geberhardt » gebehrhardt (Expand Search), gebeberhardt (Expand Search), gebgebhardt (Expand Search), eberhardt (Expand Search), gebhardt (Expand Search), eberhard (Expand Search)
ebehrhardt » eberhardt (Expand Search), eberhard (Expand Search), ehrhardt (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 bernhard) OR (((erhardt OR ebehrhardt) OR gerhard) OR (gerhardt OR geberhardt))) finckh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((erhard OR bernhard) OR (((erhardt OR ebehrhardt) OR gerhard) OR (gerhardt OR geberhardt))) finckh".
• Adding a wildcard symbol may retrieve word variants: ((erhard OR bernhard) OR (((erhardt OR ebehrhardt) OR gerhard) OR (gerhardt OR geberhardt))) finckh*.