Cardinal-electors
According to the decree of Nicholas II In Nomine Domini (1059) Cardinal-Bishops of the suburbicarian sees were the sole electors of the Pope. In March 1088 there were six Cardinal Bishops:
| Elector | Cardinalatial title | Elevated | Elevator | Notes |
|---|---|---|---|---|
| Ubaldo | Bishop of Sabina | 1063 | Alexander II | |
| Giovanni Minuto | Bishop of Tusculum | 1066 | Alexander II | Created as cardinal-priest of S. Maria in Trastevere, promotion to the suburbicarian see probably in 1073 |
| Peter Igneus, O.S.B.Vallombrose | Bishop of Albano | 1072 | Alexander II | He announced the election of Urban II |
| Odon de Lagery, O.S.B.Cluny | Bishop of Ostia | 1080 | Gregory VII | Elected Pope Urban II |
| Giovanni | Bishop of Porto | 1085 or 1087 | Gregory VII or Victor III | |
| Bruno | Bishop of Segni | 1079 | Gregory VII | Chancellor of the Holy Roman Church |
Read more about this topic: Papal Election, 1088