The OOM Schengen Visitor Travel Insurance offers cover for unexpected medical expenses, and meets the demands of the Schengen visa for a temporary stay in the Schengen zone (EU)
The ISIS Incoming Travel Insurance is especially for people who are visiting The Netherlands. Besides coverage for medical costs, it also provides benefits for luggage, personal accident, liability and extraordinary costs. This travel insurance meets the requirements for the Schengen Visum.
As a host family for an au pair, you'll be dealing with several authorities and different kinds of law and legislation. The so called Au pair policy, in Dutch 'Au pair beleid', needs to be followed to make sure that you don't risk a fine.