Patriarch Gregory V of Constantinople, Patriarch of Constantinople from 1797 to 1798, from 1806 to 1808, and from 1818 to 1821
Gregory Peck | Gregory of Tours | Order of St. Gregory the Great | Gregory Bateson | Pope Gregory VII | Gregory of Nyssa | Pope Gregory XIII | Pope Gregory XVI | Lady Gregory | Gregory S. Paul | Gregory Corso | Pope Gregory XV | Gregory of Nazianzus | Pope Gregory XI | Philippa Gregory | Gregory the Illuminator | Gregory Olsen | Gregory Blaxland | Dick Gregory | Pope Gregory I | Gregory Reinhart | Gregory Deyermenjian | Gregory Crewdson | Gregory Benford | Francis Thomas Gregory | Andre Gregory | Pope Gregory X | Pope Gregory VI | Jack Gregory | Gregory Thaumaturgus |
Once Otto III had returned to Germany, the faction headed by Crescentius II violently unseated Gregory V and, with the active support of the Eastern Emperor, Basil II, acclaimed John as Pope John XVI (997–998).