I know of at least two ladies in waiting to Queen of Holland, as she was known at the time. Countess Julie von der Goltz ( she was born Juliane Wilhelmine, Freiin von Seckendorff(1786-1857) you can find her descendants on Ancesty. com (
http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&d...) and Countess Henriette Adriana Louise Flora d'Oultremont de Wegimont.
Hope this helps,
Christopher Barrios de Leon