Perhaps you should try some spelling variations:
"belle-isle, charles louis augustine fouquet / duc de / 1684-1761" » "belle-isle, charles louis auguste fouquet / duc de / 1684-1761", "belle-isle, charles louis augustine fortuna / duc de / 1684-1761", "belle-isle, charles fruit augustine fouquet / duc de / 1684-1761", "belle-isle, charles louis augustus fouquet / duc de / 1684-1761", "belle-isle, charles lucas augustine fouquet / duc de / 1684-1761", "belle-isle, charles louis augustine fouquet / duct de / 1684-1761"
"belle-isle, charles lord augustine fouquet / duc de / 1684-1761" » "belle-isle, charles lord auguste fouquet / duc de / 1684-1761", "belle-isle, charles lord augustine fortuna / duc de / 1684-1761", "belle-isle, charles god augustine fouquet / duc de / 1684-1761", "belle-isle, charles read augustine fouquet / duc de / 1684-1761", "belle-isle, charles john augustine fouquet / duc de / 1684-1761", "belle-isle, charles lord augustine fouquet / duct de / 1684-1761"

Try widening your search to All Fields.

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: "((\"belle-isle, charles louis augustine fouquet / duc de / 1684-1761\") OR (\"belle-isle, charles lord augustine fouquet / duc de / 1684-1761\"))".
• Removing quotes may allow a broader search: (( belle-isle, charles louis augustine fouquet / duc de / 1684-1761 ) OR ( belle-isle, charles lord augustine fouquet / duc de / 1684-1761 )).
• Adding a wildcard symbol may retrieve word variants: (("belle-isle, charles louis augustine fouquet / duc de / 1684-1761") OR ("belle-isle, charles lord augustine fouquet / duc de / 1684-1761"))*.