Perhaps you should try some spelling variations:
"jacobus henricus hart 't hof" » "jacobus hendricus hart 't hof", "jacob henriques hart 't hof", "jacobus fenwick hart 't hof", "jacobus henricus baers 't hof", "jacobus henricus garde 't hof"
"jacobus henricus harris 't hof" » "jacobus hendricus harris 't hof", "jacob henriques harris 't hof", "jacobus fenwick harris 't hof", "jacobus henricus baers 't hof", "jacobus henricus carolus 't hof"

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: "((\"jacobus henricus hart 't hof\") OR (\"jacobus henricus harris 't hof\"))".
• Removing quotes may allow a broader search: (( jacobus henricus hart 't hof ) OR ( jacobus henricus harris 't hof )).
• Adding a wildcard symbol may retrieve word variants: (("jacobus henricus hart 't hof") OR ("jacobus henricus harris 't hof"))*.