(Clement II is referred by his baptismal name for the times before he became pope.)

(Gregory VII is referred by his baptismal name for the times before he became pope.)

(Gregory VI is referred by his baptismal name for the times before he became pope.)

(Benedict IX is referred by his baptismal name for the times before he became pope.)

(John XVIII is referred by his baptismal name for the times before he became pope.)

(Sylvester II is referred by his baptismal name for the times before he became pope.)

(Gregory V is referred by his baptismal name for the times before he became pope.)

(John XII is referred by his baptismal name for the times before he became pope.)