"Imperial Estate" . "royal palace" . "royal court at Frankfurt" . . "Kaiserpfalz" . "royal estate" . "imperial palace" . . "Pfalz" . . . . "Imperial Palaces" . . "Imperial palace" . "Kaiserpfalz" . . . "Imperial Palace" . "palatinate" . "Royal Palace" . "kaiserpfalz" . . . . "''Pfalz''" . "K\u00F6nigspfalz" . "pfalz" . . "royal court" . . "imperial palaces" .