His title was royal (king of the Germans, or from 1237 king of the Romans) from his election to his coronation in Rome by the Pope; thereafter, he was emperor.
Tema tiitel oli kuninglik (sakslaste kuningas, või aastast 1237 roomlaste kuningas) tema valimisest tema kroonimiseni Roomas paavsti poolt; seejärel oli ta keiser.