Perhaps you should try some spelling variations:
"von herbert bowes-lyon" » "von herbert bayers-lyon", "von herbert bodner-lyon", "von herbert bayer-lyon", "von norbert bowes-lyon"
"von herbert jones-lyon" » "von herbert lionel-lyon", "von robert jones-lyon", "von norbert jones-lyon"

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: "((\"von herbert bowes-lyon\") OR (\"von herbert jones-lyon\"))".
• Removing quotes may allow a broader search: (( von herbert bowes-lyon ) OR ( von herbert jones-lyon )).
• Adding a wildcard symbol may retrieve word variants: (("von herbert bowes-lyon") OR ("von herbert jones-lyon"))*.