great source of information on the netherlands: www.genlias.nl.

I have tried some of the names you gave. Are you sure you didn't misspel some?

Result!:

http://www.genlias.nl/nl/searchDetail.jsp?val=1&xtr=22467053&vgr=2

From here on you could try to find parents etc via the same website. No kids, they are to young to be on this site.

good luck!