Name
- Morone, Giovanni Girolamo, Bishop of Modena, Cardinal 15421
- Ondedei, Giuseppe Zongo, Secretary to Card Mazarin1
- Orsini, Paolo Giordano, II, Duke of Bracciano1
- Ossat, Arnaud de, Cardinal 15981
- Osterreich, Ferdinand, Cardinal-Infante and governor, c 1610-16411
- Paul III, Pope, 1468-15491
- Paultret, Jean?de1
- Pius IV, Pope1
- Plessis, Armand Jean, Duke of Richelieu, cardinal and statesman, 1585-16421
- Richard II, King of England and Lord of Ireland, 1367-14001
- Roger II, King of Sicily1
- Rospigliosi, Giulio, Cardinal 1657, Pope Clement IX 16671
- Sabran, Melchior de, French Ambassador1
- Sangro, Giovanni Francesco, Prince of Sansevero, d 16041
- Santacroce Publicola, Prospero, Bishop of Kisamos, Cardinal 15631
- Savelli, Paolo, Prince of Albano, Imperial ambassador at Rome1
- Scappi, Alessandro, Bishop of Campania and Satriano, papal nuncio to Switzerland1
- Selim II, of Turkey1
- Serbelloni, Fabrizio, of Milan, cousin of Pope Pius IV1
- Servien, Abel, Marquis de Sablé et de Château Neuf1