Her Royal Highness pronoun1 •A title given to certain female members of a royal family, abbreviated HRH.Ladies and gentlemen, I present to you Her Royal Highness The Crown Princess Victoria.
His Royal Highness pronoun1 •A title given to certain male members of a royal family, abbreviated HRH.Ladies and gentlemen, I present to you His Royal Highness The Prince of Wales.
Your Royal Highness pronoun1 •A form of address used for certain members of a royal family. formsYour Royal Highnesses