If you want to get to the Netherlands, you do not need to use the plane or the train – use a bus. Just look for a company that offers home transportation to Netherlands by buses.
They will not, of course, very cheap trip, but on the other hand is much better to hire yourself a bus just for your family and enjoy a quiet ride, without troubles.
There are a lot of companies offering similar services, it takes only a few minutes of your time to compare all the offers, bearing in mind also that it is not just about the price of the fare, but also whether the bus is safe and that its drivers have experience in four-directing vehicles.
For this, it must be remembered that a good company will have a special accident insurance. After checking that you can rent our bus.