His pontifical name was used again by Antipope Theodoric because, at that time, he was not considered a legitimate pontiff.
Antipope Clement VII | Antipope Benedict XIII | Theodoric I | Antipope John XXIII | Theodoric VI of Isenburg-Kempenich | Theodoric II of Isenburg-Kempenich | antipope | Antipope Dioscorus | Antipope Clement III | Antipope Christopher | Theodoric V of Isenburg-Kempenich | Theodoric the Monk | Theodoric IV | Theodoric I, Margrave of Meissen | The Antipope | Honoré Théodoric d'Albert de Luynes | Antipope Theodoric | Antipope Nicholas V | Antipope Gregory VI | Antipope |