EntityQ1340450· pop 19· linked from 284 articlesblack nobilitySign in to saveRoman aristocratic families who sided with the Papacy under Pope Pius IXConnectionsPopeEntityLaw of Vatican CityEntityDiocese of RomeEntityVatican CityCountryPontifical Commission for the Vatican City StateEntitySovereign Military Order of MaltaEntityApostolic PalaceEntityL'Osservatore RomanoEntityRoman questionEntityPontifical Roman SeminaryEntityHistory of papal primacyEntityItalyCountryRomeEntityItalianEntityWorld War IIConceptCatholic ChurchEntitymonarchyEntityPope Leo XIVPersonInternational Standard Book NumberEntitySt. Peter's BasilicaEntityCategories1870 in Italy1929 in ItalyHistory of the papacyItalian noble familiesKingdom of Italy (1861–1946)Nobles of the Holy SeeReactionary