Perhaps you should try some spelling variations:
thomas nicholson » thomas richardson, thomas wilson, james nicholson
thomas dickson » thomas jackson, thomas dawson, thomas dixon
thomas denison » thomas davidson, thomas denman, thomas dawson
1st baronet » 1st baroness, 1st baron, first baronet

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((\\"sir thomas nicholson, 1st baronet\\") or (\\"sir ((thomas dickson) OR (thomas denison)), 1st baronet\\"))\"".
• Removing quotes may allow a broader search: (( sir thomas nicholson, 1st baronet ) or ( sir ((thomas dickson) OR (thomas denison)), 1st baronet )).