Perhaps you should try some spelling variations:
fenton smith » exton smith, brunton smith, preston smith
john fenton » john dunton, john fenn, john hinton
jon duncan » john duncan, j duncan, ian duncan
duncan sir » duncan i, duncan sarah

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: (( jon duncan sir ) OR ( john fenton smith )).
• Adding a wildcard symbol may retrieve word variants: (( jon duncan sir ) or ( john fenton smith ))*.