Perhaps you should try some spelling variations:
johannes pfister » johanne foster, johannes dieter, johannes koster
johannes richter » johannes michael, johan richter, johannes dieter
johannes berchem » johannes becker, johannes berger, johannes bechteln
johannes fischer » johannes liesche, johannes piscator, johannes fuchs
johanna fischer » johann fischart, johanna kissler, johanna borchert
johannes picht » johannes wicht, johannes fuchs, johannes reich
johan fischer » johann fischart, johan richter, johan schei

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((johannes pfister) OR (((johannes picht) OR (johannes richter))))) OR (((johanna fischer) OR (johan fischer))))) OR (((johannes berchem) OR (johannes fischer)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((johannes pfister) or (((johannes picht) or (johannes richter))))) or (((johanna fischer) OR (johan fischer))))) or (((johannes berchem) or (johannes fischer))))".
• Adding a wildcard symbol may retrieve word variants: ((((((johannes pfister) or (((johannes picht) or (johannes richter))))) or (((johanna fischer) OR (johan fischer))))) or (((johannes berchem) or (johannes fischer))))*.