Perhaps you should try some spelling variations:
janse van » janse jan (Expand Search)
than van » thanh van (Expand Search), tran van (Expand Search), thien van (Expand Search)
dang van » dang fan (Expand Search), tang van (Expand Search), dang dang (Expand Search)
jan van » jan jan (Expand Search), tang van (Expand Search), tran van (Expand Search)
cornelis » cornelius (Expand Search), cornelia (Expand Search), dscornelis (Expand Search)
gijsbert » gilbert (Expand Search), ginsberg (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: cornelis gijsbert gerrit ((((((jan van) OR (than van))) OR (janse van))) OR (dang van)) steenis~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cornelis gijsbert gerrit ((((((jan van) OR (than van))) OR (janse van))) OR (dang van)) steenis*".