Imperial Highness

Imperial Highness is a style of address traditionally used by members of an emperor's family.^[1] It ranks as the highest and most prestigious style used among royalty. It outranks the style of Royal Highness. The style is often associated with the title of Crown Prince.

1. ↑ Rodney P Carlisle, Encyclopedia of politics : the Left and the Right, Vol. 2 (Thousand Oaks: SAGE Publ., 2005), p. 849