Titles and Landlords

• Dukes of Zagarolo
• Princesses of Zagarolo
• Princes of the Holy Roman Empire
• Princes Pallavicini
• Princes Rospigliosi

Posts and Professions

• Popes

Geographic Distribution

• Italy > Lazio (4)
• Italy > Tuscany (1)
• Argentina > Buenos Aires (1)

Sources

• Cronologia dos Sumos Pontífices Romanos- pg.274
• Genea Portugal-3500

Corrections and Updates

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