Imperial and Royal Highness (
abbreviation HI&RH) is a
style possessed by someone who either through birth or marriage holds two individual styles,
Imperial Highness and
Royal Highness.
His/Her Imperial Highness is a style used by members of an imperial family to denote
imperial – as opposed to
royal – status to show that the holder is descended from an
Emperor rather than a
King. Holders of the style
Imperial Highness generally
rank above holders of the style
Royal Highness