That's, er, entertainment?

Now that we have these museum cards, we're gonna get our money's worth, darn it all, so I'm going through their website and trying to see what entertainment might lay in the immediate vicinity. I can read Dutch well enough now to get at least the gist of an article, but there are always a few words I don't know without looking up so I do still plug things into Babel from time to time to see what I might be missing. There is this neat-looking castle in a neighboring town that I was thinking of taking the kids to see this weekend and, lo, there was something in the blurb about a special children's activity, but I couldn't quite figure out what it might mean. Here's what Babel says we can expect:

Also children can itself by them to knight or let maid beat.

Hmm... to be knighted or beaten by a maid? Sounds like an authentic medieval experience for sure.