Regiomontanus
Ματαιοδοξία ματαιοδοξιών! Όλα είναι ματαιοδοξία.
Do you not mean Prince Charles?
Maybe him too. I do not know much about about the British royalty but in his obits his conservation was mentioned.
https://uknews.lenexweb.com/2021/04/09/how-prince-philip-tackled-conservation-and-climate-change/