Bishop of Ostia
The following people were bishops and cardinal bishops of the diocese of Ostia suburbicarian ( and Velletri from 1150 to 1914 ) (Italy ). Since the 12th century, the Cardinal Bishop of Ostia is also the Cardinal Dean:
- Georgius I. 753-783
- Vacant 783-787
- Gregory I. 787
- Vacant 787-804
- Bernard 804-805
- Peter I. 805
- Vacant 805-826
- Caesareus 826-854
- Megisthus ( or Leo I. ) 854-868
- Donatus 868-870
- Vacant 870-878
- Eugenius 878-898
- Stefan 898-900
- Guido I. 900-946
- Benignus 946-960
- Sicco 960-963
- Gregory II 964-969, 991 † ( Cardinal Bishop of Albano and Porto 969-985 985-991 )
- Leo ( II? ) 969-983
- Vacant 983-996
- Azzo I. 996
- Gregory III. 998-999
- Azzo II 1013
- Peter III. 1021-1036
- Benedict 1044
- John I 1050
- Peter Damiani IV 1057-1072
- From 1060 to 1914 the Diocese of Velletri was united with Ostia
- Gerhard 1072-1077
- Odo I. de Lagery 1080-1088, † 1099, when Pope Urban II Johann 1084-1098 (pseudo Cardinal )
- Jean de Neufchatel 1393-1398 (pseudo Cardinal )
- Jean de Brogny 1405-1426 (pseudo Cardinal )
Pictures of Bishop of Ostia
