List of Sovereign Houses in the Pontifical Imperiale State of Rome-Ruthenia
Royal House of Etruria Grand Ducal House of Frankfurt Electorate of Trier Electorate of Mainz Electorate of Köln Royal House of Friuli Royal House of Altai and Hyrcânia Royal and Serene House of Chíquiza Most Serene, Princely, and Ducal House of Riboalte Princely and Archducal House of Maritima
See also: |