So, Margrethe II, that Danish queen who's retiring this month?
Unbeknownst to my sheltered self, apparently she's got an artistic streak and has been a big Tolkien fan. Back in the 1970s, she corresponded with him under the pen name "Ingahild Grathmer" and ended up illustrating a Danish edition of the Lord of the Rings. https://www.mentalfloss.com/article/66764/time-queen-denmark-illustrated-lord-rings