POPES 440–
(regnal dates)Based on J.N.D.Kelly, Oxford Dictionary of Popes, New York: Oxford University
Press, 1986.
Leo I (440–61) [Antipope Theodore (687)] Benedict IV (900–03)
Hilary (461–68) [Antipope Paschal (687)] Leo V (903–04)
Simplicius (468–83) Sergius I (687–701)
Felix III (II) (483–92) John VI (701–05)
[Antipope Christopher (903–
04)]
Gelasius I (492–96) John VII (705–07) Sergius III (904–11)
Anastasius II (496–98) Sisinnius (708) Anastasius III (911–13)
[Antipope Lawrence (498–99, Constantine I (708–15) Lando (913–14)
501–06)] Gregory II (715–31) John X (914–28)
Symmachus (498–514) Gregory III (731–41) Leo VI (928)
Hormisdas (514–23) Zacharias (741–52) Stephen VII (VIII) (928–31)
John I (523–26) Stephen I (II) (752) John XI (931–36)
Felix IV (III) (526–30) Stephen II (III) (752–57) Leo VII (936–39)
[Antipope Dioscorus (530)] Paul I (757–67) Stephen VIII (IX) (939–42)
Boniface II (530–32) Marinus II (942–46)
John II (533–35)
[Antipope Constantine (767–68)]
Agapitus II (946–55)
Agapitus I (535–36) [Antipope Philip (768)] John XII (955–64)
Silverius (536–37) Stephen III (IV) (768–72) Leo VIII (963–65)
Vigilius (537–55) Hadrian I (772–95) Benedict V (964)
Pelagius I (556–61) Leo III (795–816) John XIII (965–72)
John III (561–74) Stephen IV (V) (816–17) Benedict VI (973–74)
Benedict I (575–79) Paschal I (817–24)
Pelagius II (579–90 Eugenius II (824–27)
[Antipope Boniface VII (974,
984–85)]
Gregory I (590–604) Valentine (827) Benedict VII (974–83)
Sabinian (604–06) Gregory IV (827–44) John XIV (983–84)
Boniface III (607) [Antipope John (844)] John XV (985–96)
Boniface IV (608–15) Sergius II (844–47) Gregory V (996–99)
Deusdedit I (615–18) Leo IV (847–55) [Antipope John XVI (997–98)]
Boniface V (619–25) *Sylvester II (999–1003)
Honorius I (625–38)
[Antipope Anastasius
Bibliothecarius (855)] John XVII (1003)
Severinus (640) Benedict III (855–58) John XVIII (1003–09)
John IV (640–42) Nicholas I (858–67) Sergius IV (1009–12)
Theodore I (642–49) Hadrian II (867–72) Benedict VIII (1012–24)
Martin I (649–53) John VIII (872–82) [Antipope Gregory (1012)]
Eugenius I (654–57) Marinus I (882–84) John XIX (1024–32)
Vitalian (657–72) Hadrian III (884–85) Benedict IX ( 1032 – 44 , 1045 ,