Perhaps you should try some spelling variations:
gebhardt » gerhard (Expand Search)
ebgebhardt » ebgerhard (Expand Search), eberhardt (Expand Search), engelhardt (Expand Search)
erhard » gerhard (Expand Search)
ebgerhard » ebggerhard (Expand Search), gerhard (Expand Search), eberhardt (Expand Search)
eberhard » ebgerhard (Expand Search)
engelhard » engelhardt (Expand Search), engelhorn (Expand Search)
hauptmann » hartmann (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: ((gebhardt OR erhard) OR (((ebgebhardt OR ebgerhard) OR eberhard) OR engelhard)) hauptmann~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((gebhardt OR erhard) OR (((ebgebhardt OR ebgerhard) OR eberhard) OR engelhard)) hauptmann".
• Adding a wildcard symbol may retrieve word variants: ((gebhardt OR erhard) OR (((ebgebhardt OR ebgerhard) OR eberhard) OR engelhard)) hauptmann*.