There are not enough princes and the Dutch have four unmarried princesses. A ball held a couple of years ago, so that Crown Princess Beatrix could meet some nice boys was unsuccesful.

“There’s this princess, see.” It is a line that has commemorated countless Hollywood script conferences from The Prisoner of Zenda to Roman Holiday. In reel life, the scenarist can find his Prince Charming at Central Casting. But in real life there are not enough princes—charming or otherwise—to go…