Perhaps you should try some spelling variations:
"robert de burland" » "roberta de burland" (Expand Search), "robert e burland" (Expand Search), "robert lee burland" (Expand Search), "robert _e burland" (Expand Search), "robert je burland" (Expand Search), "robert ce burland" (Expand Search)
"robert d burland" » "robert _ burland" (Expand Search), "robert j burland" (Expand Search), "robert c burland" (Expand Search)
"robert a burland" » "robert _ burland" (Expand Search), "robert j burland" (Expand Search), "robert c burland" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("robert de burland") OR ((("robert d burland") OR ("robert a burland"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"robert de burland\") OR (((\"robert d burland\") OR (\"robert a burland\"))))".
• Removing quotes may allow a broader search: (( robert de burland ) OR ((( robert d burland ) OR ( robert a burland )))).
• Adding a wildcard symbol may retrieve word variants: (("robert de burland") OR ((("robert d burland") OR ("robert a burland"))))*.