411 REFERENCE · Wiktionary
His Serene Highness
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Pronoun
en pronoun his serene highness feminine Her Serene Highness plural Their Serene Highnesses
en formal An honorific style used in referring to a male personage of any of a variety of certain dignities, but chiefly a reigning or sovereign prince, such as those of Liechtenstein and of Monaco.
See also