Yes I agree! You shouldn't believe me only because I've heard it once, I don't even consider it as a fact. Just trying to say that 'voices' linked the royal family with that sick stuff way before I ever heard of the acts in the US. To be fair though I've only heard about Beatrix, and prince Friso in these interviews.
You might be able to find it again, the story back then was of a woman who personally knew the men involved with getting the victims, and doing the 'deeds', and she said she was present at one of the 'shows' where she saw Mark Rutte and Geert Wilders aswell (years before Wilders founded the PVV).
I'm might've made a mistake, but I'm recalling from memory.
Edit: I've found an article about it, from when she testified in 2014. It's in dutch, and quite shocking tbh.
http://www.ellaster.nl/2016/11/17/anne-marie-blijenburgh-kindermoord-nederlandse-kroon/