Make sure you're signed in to your account and follow the direct removal link below to delete your data.
URLS:
http://www.yesnomayb.nl
http://www.yesnomayb.nl/member/remove_me.php
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.