Eulogius (c. 451)
Innocentius (c. 486)
...
Desiderius (c. 680)
...
Bessus (c. 770?)

...
Josephus (844–855)
Adalgerus (c. 967)
Warmundus (Veremondo) (c. 969–1002)
Ottobianus (attested 1003)
...
Hugo (c. 1026–1029)
Enrico (1029–1059)
...
[Albertus (c. 1073)]
Ogerius (c. 1075–c.
1094)
...
Guido (1122–c.
1162)
Gaimario (1166–1189)
Gaido (1192–c.
1199))
Eulogius (c. 451)
Innocentius (c. 486)
...
Desiderius (c. 680)
...
Bessus (c. 770?)
...
Josephus (844–855)
Adalgerus (c. 967)
Warmundus (Veremondo) (c. 969–1002)
Ottobianus (attested 1003)
...
Hugo (c. 1026–1029)
Enrico (1029–1059)
...
[Albertus (c. 1073)]
Ogerius (c. 1075–c. 1094)
...
Guido (1122–c. 1162)
Gaimario (1166–1189)
Gaido (1192–c. 1199))
Roman Catholic Diocese of Ivrea