Perhaps you should try some spelling variations:
thomas richardson » thomas richards, thomas richard, james richardson
thomas dickson » thomas jackson, thomas dawson, thomas denison
first baronet » first barrier, first tyrone
1st baroness » 1st baron, _ baroness
1st baronet » 1st baron, colt baronet, luss baronet

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: (((( sir thomas richardson, 1st baronet ) OR ( sir thomas richardson, first baronet ))) OR ((( sir thomas dickson, 1st baronet ) OR ( sir thomas dickson, 1st baroness )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( sir thomas richardson, 1st baronet ) OR ( sir thomas richardson, first baronet ))) or ((( sir thomas dickson, 1st baronet ) or ( sir thomas dickson, 1st baroness ))))".
• Adding a wildcard symbol may retrieve word variants: (((( sir thomas richardson, 1st baronet ) OR ( sir thomas richardson, first baronet ))) or ((( sir thomas dickson, 1st baronet ) or ( sir thomas dickson, 1st baroness ))))*.