On November 2, 2012, Her Majesty Queen Beatrix of the Netherlands received a:

“… publication regarding the excavation results of the pre-historic burial mounds in the  crown estates at Paleis Huis Ten Bosch. The publication was developed under the direction of archaeologist Dr. David Fontijn of Leiden University, in collaboration with the Municipality of Apeldoorn and the National Heritage Board.”

And, finally, Her Majesty attended the symposium, The North Sea: Past, Present and Future, in Amsterdam according to the Dutch online newspaper, AT5.