I don't see a 39F Montana (Montanja?) & I don't see the van der Sloots. Don't they live on Montana? Who lives at 39F?
SM:
I found an ARAMBATZIS-RODRIGUEZ, ALBERT and LILIAN REGINA who live in MONTANJA.
http://www.arubachamber.com/LC%20KLEIN%2005-06-2005.htm