23 Nov 1847 - Geburt of sein biological Vater Johannes at Amsterdam, Amsterdam, Noord-Holland, Netherlands 

4 Nov 1851 - Geburt of seine biological Mutter Anna at Hillegom, Hillegom, Zuid-Holland, Netherlands 

16 Jun 1882 - Eheschließung of eltern at Wassenaar, Wassenaar, Zuid-Holland, Netherlands 

1 Aug 1890 - Geburt at Amsterdam, Amsterdam, Noord-Holland, Netherlands 

23 Feb 1891 - Tod at Amsterdam, Amsterdam, Noord-Holland, Netherlands 

29 Feb 1912 - Tod of sein biological Vater Johannes at Amsterdam, Amsterdam, Noord-Holland, Netherlands 

30 Dez 1917 - Tod of seine biological Mutter Anna at Gorssel, Gorssel, Gelderland, Netherlands