Heh, I got 33 characters (31 not counting the "de") in mine and that's because I didn't get more than one first name since my parents preferred it that way, but everyone here often gets two.
In mine the de is a separator and we often omit it. So I wouldn't count it.
Yeah royalty names get crazy, even there noble ones, they want to display all origins and since they inbred with all the possible houses at this point they got a lot of stickers to flaunt about.
Just found the 3 first names unusual and interesting =)
You're missing out, those are the tamer ones these days. https://youtu.be/x6Alv2Z347c?si=c_a2IkCBLB4AL4zo
A compilation in reddit: https://www.reddit.com/r/musichaiku/comments/153qvqo/pharmacies_in_europe_and_their_rave_signs/