http://www.hogenda.nl/hogenda-zoeken/?query=leeuwenhorst&type=&town=&files=0&files=1&sort=score

You need to be a member.

Which data do you need?

Anyhow, this might interest you:

"For those,who live abroad,and wish to make use of the private area of the Dutch Genealogical database (HoGenDa) without further facilities, the possibility exists to connect oneself as an associate member.

The associated membership costs €15.00 per year."

Maybe thingts can be done in a more simple way. I am a member and would not mind looking things up for you. Just tell me what you want to know and I will  try to find it. Yo u can always become a member if I do not succeed.

kind regards

Sonja