List of Sovereign Houses in the Pontifical Imperial State of Rome-Ruthenia
Royal House of Etruria Patrimony of the Prince-Bishop of Rome-Ruthenia Electorate of Trier & Grand Duke of Rome Vacant Electorate of Mainz & Grand Duke of Rome H.M.Em.I.R.H. Gr. D. Douglas v. Röm-Frankfurt Elector of Mainz Electorate of Köln & Grand Duke of Rome Vacant Grand Ducal House of Frankfurt H.M.Em.I.R.H. Very Rev. Grand Duke Douglas v. Röm-Frankfurt Royal House of Friuli H.R.S.H. Prince Floyd of Friuli and Chíquiza Royal House of Altai and Hyrcânia H.R.H. Grand Prince Hernan Alejandro Olano Garcia Royal and Serene House of Chíquiza H.R.S.H. Prince Floyd of Friuli and Chíquiza Most Serene, Princely, and Ducal House of Riboalte H.S.H. Grand Prince Joan Terré i Boliart Princely and Archducal House of Maritima H.H. Prince Daniel Rivera Alijas, Prince of Modanella The Ecclesiastical Archducal House of Alcazar H.R.S.H. Prince Floyd of Friuli and Chízuiza The Ecclesiastical Archducal House of Elburz H.B. Patriarch Nicholas, Archduke of Elburz The Ecclesiastical Archducal House of Gilboa H.Ill.H. Hernan Alejandro Olano Garcia Archduke of Gilboa The Ecclesiastical Archducal House of Caesarea H.Ill.H. Archbishop Rui Costa Barbosa Archduke of Caesarea The Ecclesiastical Archducal House of Verulamium H.Ill.H. Most Rev. Jonathan Kyangasha Archduke of Verulamium The Ecclesiastical Archducal House of Nain H.Ill.H. the Most Rev. Archbishop William Jones, OSB, Archduke of Nain The Ecclesiastical Archducal House of Shiloh H.Ill.H. Bishop Howard Doe, Archduke of Shiloh The Ecclesiastical Archducal House of Tarsus H.B. Metropolitan Daniel de Jesus Ruiz Flores, Archduke of Tarsus The Ecclesiastical Archducal House of Zagros Patrimony of the Prince-Bishop of Rome-Ruthenia The Ecclesiastical Archducal House of Capernaum H.Ill.H. Archbishop Peter McInnes, Archduke of Capernaum The Ecclesiastical Archducal House of Gennesaret (Hereditary) H.Ill.H. Ramiro Anzit-Guerro, Archduke Of Gennesaret The Ecclesiastical Archducal House of Tiberias (Hereditary) His Beatitude Patriarch Nicolas, Archduke of Tiberias The Ecclesiastical Ducal House of Bethphage (Hereditary) His Grace Dr. Nicolas K. Laos, Duke of Bethphage The Ecclesiastical Ducal House of Hattin Patrimony of the Royal and Serene House of Friuli The Ecclesiastical Ducal House of Bethal H.G. Edgar Fuentes, Duke of Bethal The Ecclesiastical Ducal House of Bethlehem Vacant The Ecclesiastical Ducal House of Cherith H.S.H. Grand Prince Joan Terré i Boliart Duke of Cherith The Ecclesiastical Comital House of Bethany H.E. James McCoskey, Count of Bethany The Ecclesiastical Ducal House of Enon (Hereditary) H.Ill.H. Arch-Deaconess Dr. Karen Anderson Duchess Of Enon, Archduchess of Capernaum 
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