Originally Posted by Anfisa
This crossed my mind the other day. The princes obviously have passports/drivers licenses/student IDs and stuff like that. I wonder what names they use on it. Like would their surname be "Wales"? Even after William was made the Duke of Cambridge? Or would their surname be "Windsor"? Would the title of "HRH Prince..." be included in their names? Just a thought.
I would assume HRH Prince William Arthur Philip Louis, Duke of Cambridge. He doesn’t use a last name.