 Prince Philipp-Erwein IV the current head of the family is descended, amongst others, from Frederick II, Holy Roman Emperor, Vsevolod I of Kiev, Hugh Capet, Eric the Victorious, Harold Godwinson, Pope Julius II and Pope Paul III.The members of the House of Leyen are entitled a formal style of Address using the predicate Serene Highness.Although German law no longer acknowledges or recognizes a status for noble houses or their titles per se, the government does allow for titles to be used in lieu of a surname.